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  • 1
    Electronic Resource
    Electronic Resource
    N-Methyl-N-Diäthoxyphosphorylamideo-Dervite des Hexachlorocyclotriphosphazatriens. II. Die Ammonolyse der N-Methyl-N-deäthoxyphosphorylamido-chlorcocyclotriphosphazatriene (1975)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 416 (1975), S. 169-173 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: N-Methyl-N-Diethoxyphosphorylamido Derivatives of Hexachlorocyclotriphosphazatriene. II. Ammonoloyses of N-Methyl-N-Diethoxyphosphorylamido-ChlorocyclotriphosphazatrienesMonokis-[N-methyl-N-diethroxyphosphorylamido]-pentachloro-cyclotriphospha-zatriene and 2, 4-bis-[N-methyl-N-diethoxyphosphorylamido]-2, 4, 6, 6-tetrachloro-cyclotriphosphazatriene react with gaseous ammonia at room temperature to the corresponding diamino compounds, N3P3CL4-n[NCH3P(O)(OC2H5)2]n(NH2)2, (n = 1, 2). Total Exchange of the chlorine in the N-Methyl-Ndiethoxyphosphorylamido-derivatives, N3P3CL6-n[NCH3P(O)(OC2H5)2]n, (n = a, 2, 3), takes place during the reaction with liquid ammonia. Aminophosphazenes of the type N3P3[NCH3P(O)(OC2H5)2]n(NH2)6-n, (n = 1, 2, 3), are formed. The described aminocyclotriphosphazatrienes are characterized by their melting points, elementary analyses, molecular weights and the TLC-Rf-values.
    Notes: Monokis-[N-methyl-N-diäthoxyphorylamido]-pentachloro-cyclotriphosphazatrien und 2, 4-Bis-[N-methyl-N-diäthoxyphosphorylamido]-2,4,6,6-tetrachlorocyclotriphosphazatrien reagieren mit gasförmigem Ammoniak bei Raumtemperatur zu den entsprechenden diaminoverbindungen, N3P3CL4-n[NCH3P(O)(OC2H5)2]n(NH2)2, (n = 1, 2). Vollständiger Austausch des Chlors in den N-Methyl-N-diäthoxyphosphorylamido-Derivaten, S3P3CL6-n[NCH3P(O). (OC2H5)2]n, (n = 1, 2, 3). findet bei der Umsetzung mit flüssigem ammonial Statt. Es werden dabei Aminocyclophosphazene des Typs N3P[NCH33P(O)(OC2H5)2]n(NH2)6-n, (n = 1. 2. 3) gebildet, Die beschriebenen Aminocyclophosphazatriene werden durch ihre Schmelzpunkte, Elementaranalysen, Molmassen und die dünnschichtchromatographischen Rf-Werte charakterisiert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19754160208
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  • 2
    Electronic Resource
    Electronic Resource
    N-Methyl-N-diäthoxyphosphorylamido-Derivate des Hexachlorocyclotriphosphazatriens. III. NMR-spektroskopische Untersuchungen zur Konstitution der N-Methyl-N-diäthoxyphosphorylamido-chloro-cyclotriphosphazatriene (1975)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 418 (1975), S. 171-178 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: N.M.R. Spectroscopic Investigations of N-Methyl-N-diethoxyphosphorylamido-chloro-cyclotriphosphazatrienesThe high resolution 31P-n.m.r. spectroscopy provides essential informations about the molecular structure of N-methyl-N-diethoxyphosphorylamido derivatives of the hexachlorocyclotriphosphazatriene. Whereas the compound N3P3Cl4[NCH3P(O)(OC2H5)2]2 possesses nongeminal structure, are the substituents in the compound N3P3Cl3[NCH3P(O)(OC2H5)2]3 geminally arranged. The calculated 31P spectra agrees closely with the observed.The interpretation of the 1H-n.m.r. spectra corresponds with that of the 31P-n.m.r. spectra.
    Notes: Die hochauflösende 31P-NMR-Spektroskopie liefert wesentliche Informationen über die Molekülstruktur von N-Methyl-N-diäthoxyphosphorylamido-Derivaten des Hexachlorocyclotriphosphazatriens. Während die Verbindung N3P3Cl4[NCH3P(O)(OC2H5)2]2 nichtgeminale Struktur besitzt, erweist sich die Verbindung N3P3Cl3[NCH3P(O)(OC2H5)2]3 als geminales Substitutionsprodukt. Die berechneten 31P-Spektren stimmen gut mit den experimentellen überein.Die Aussagen aus den 1H-NMR-Spektren stehen mit denen aus den 31P-NMR-Spektren in Einklang.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19754180213
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  • 3
    Electronic Resource
    Electronic Resource
    NMR-spektroskopische Untersuchungen an Mercaptophosphazenen. I. Verlauf der Reaktion von Natriumethylmercaptid mit Hexachlorocyclotriphosphazatrien bzw. Octachlorocyclotetraphosphazatetraen (1979)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 448 (1979), S. 100-106 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: N.M.R. Spectroscopic Investigations of Thiophosphazenes. I. Reactions of Sodium Ethylthiolate with Hexachlorocyclotriphosphazatriene and OctachlorocyclotetraphosphazatetraeneBy reactions of hexachlorocyclotriphosphazatriene with an excess of sodium ethylthiolate as a suspension in ether all of the possible geminal derivatives N3P3Cl6-n(SEt)n; n = 1-6, are formed in different quantities. Products from reactions of octachlorocyclotetraphosphazatetraene with sodium ethylthiolate, N4P4Cl8-n(SEt)n, likewise contain all of the geminally substituted derivatives up to n = 8 with the exception of the derivatives with n = 1 and n = 7. Compounds with n = 3, 4, or 5 exist in two geminal isomers respectively. Nongeminal ethylthiochlorophosphazenes were not found by any reaction. The formed compounds were isolated by chromatographic methods and studied by 31P n.m.r. spectroscopy.
    Notes: Bei Umsetzungen von Hexachlorocyclotriphosphazatrien mit einem Überschuß an Natriumethylmercaptid in etherischer Suspension entstehen in unterschiedlichen Mengen alle denkbaren geminalen Substitutionsprodukte N3P3Cl6-n(SEt)n; n = 1-6. Im Reaktionsprodukt des Octachlorocyclotetraphosphazatetraens mit Natriumethylmercaptid, N4P4Cl8-n(SEt)n, lassen sich außer den Verbindungen mit n = 1 und n = 7 ebenfalls alle geminalen Substitutionsprodukte biz zu n = 8 nachweisen, wobei sich für die Verbindungen mit n = 3, 4, 5 jeweils beide geminalen Isomeren bilden. Nichtgeminale Mercaptochlorophosphazene waren bei keiner Umsetzung nachweisbar. Die entstandenen Verbindungen wurden säulenchromatographisch isoliert und 31P-NMR-spektroskopisch untersucht.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19794480111
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  • 4
    Electronic Resource
    Electronic Resource
    NMR-spektroskopische Untersuchungen an Mercaptophosphazenen. II. NMR-spektroskopische Untersuchungen an 15N-markierten Mercaptophosphazenen (1979)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 448 (1979), S. 107-114 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: N.M.R. Spectroscopic Investigations of Thiophosphazenes. II. N.M.R. Spectroscopic Investigations of 15N Labelled ThiophosphazenesCompletely 15N labelled compounds of the type 15N3P3Cl6-n(SR)n, R = Et or Ph; n = 0, 2, 4, or 6, and of the type 15N4P4Cl8-n(SR)n, R = Et; n = 0, 4, or 8, were prepared and investigated by means of both 31P n.m.r. spectroscopy and 15N n.m.r. spectroscopy respectively. The coupling constants 2JPP, in some cases only found by simulating the spectra, and the coupling constants 1JPN are given. The values of these coupling constants and their relation are discussed. The general tendency is visible, that with increasing coupling constant 1JPN the coupling constant 2JPP decreases. With increasing grade of substitution n the 15N chemical shifts are changed to higher fields.
    Notes: Vollständig 15N-markierte Verbindungen des Typs 15N3P3Cl6-n(SR)n, R = Et, Ph; n = 0, 2, 4, 6, und des Typs 15N4P4Cl8-n(SR)n, R = Et; n = 0, 4, 8, wurden synthetisiert und mit Hilfe der 31P-NMR-Spektroskopie und der 15N-NMR-Spektroskopie untersucht. Die Kopplungskonstanten 2Jpp, die in einigen Fällen nur auf dem Wege der Spektrensimulation gefunden werden, sowie die Kopplungskonstanten 1JPN werden angegeben und ihre jeweilige Änderung und ihr Verhältnis zueinander diskutiert. Es wird die allgemeine Tendenz sichtbar, daß bei zunehmender Kopplungskonstante 1JPN die Kopplungskonstante 2JPP abnimmt. Mit zunehmendem Substitutions-grad n ändern sich die 15N-chemischen Verschiebungen nach höherem Feld.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19794480112
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  • 5
    Electronic Resource
    Electronic Resource
    Untersuchungen zur Temperaturabhängigkeit der 31P-chemischen Verschiebung in Trialkoxyphosphazen-N-phosphoryldialkylesternProfessor Hans-Albert Lehmann zum 60. Geburtstage am 1. Mai 1979 gewidmet (1979)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 451 (1979), S. 5-11 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Temperature Dependence Investigations of 31P Chemical Shifts of Trialkoxyphosphazene N-phosphoryldialkylestersThe 31P NMR spectra of a series of trialkoxyphosphazene-N-phosphoryldialkylesters, (RO)3P=N—P(O)(OR′)2, where R = R′ = Et; R = Et, R′ = Bu; R = Bu, R′ = Et; R = R′ = Bu; and R = R = R′ = Hex respectively, and of trichlorophosphazene-N-phosphoryldichloride were investigated at various temperatures. The temperature dependence of chemical shift of phosphorus belonging to the phosphazene group is multiplicately larger than that of phosphorus belonging to the phosphoryl group. This fact also could be confirmed for other simple phosphazene and phosphoryl compounds. As discussed this different temperature dependence of 31P chemical shift is not a consequence of the medium but of the molecular structure.
    Notes: Für eine Reihe von Trialkoxyphosphazen-N-phosphoryldialkylestern, (PO)3P=N—P(O)(OR′)2, wobei R = R′ = Et; R = Et, R′ = Bu; R = Bu, R′ = Et; R = R′ = Bu bzw. R = R′ = Hex waren, sowie für Trichlorphosphazen-N-phosphoryldichlorid wurden jeweils 31P-NMR-Spektren bei verschiedenen Temperaturen aufgenommen. Es zeigte sich, daß die Temperaturabhängigkeit der chemischen Verschiebung für den Phosphor der Phosphazen-Gruppierung um ein mehrfaches größer ist als die für den Phosphor der Phosphoryl-Gruppierung. Dies konnte auch allgemein für andere einfache Phosphazen- und Phosphoryl-Verbindungen bestätigt werden. Es wird diskutiert. daß diese unterschiedliche Temperaturabhängigkeit der 31P-chemischen Verschiebung nicht auf Medieneinflüsse, sondern auf die molekulare Struktur zurückzuführen ist.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19794510102
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  • 6
    Electronic Resource
    Electronic Resource
    An X-ray microanalysis survey of the concentration of elements in the cytoplasm of different mammalian cell types (1979)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 101 (1979), S. 493-501 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Electron probe energy dispersive X-ray microanalysis was performed on freeze-dried tissue sections. The dry weight concentration of elements (mmole/kg dry weight) was measured in the cytoplasm of several cell types from adult mice and rats. This comparative investigation showed: (1) That the energy dispersive X-ray spectrum of element concentration from the cytoplasm of a specific cell type allows one to distinguish this specific cell type from other cell types with considerable accuracy. (2) That there is a relationship between the concentration of the various elements and the ultrastructural features of the cytoplasmic regions being analyzed. For example, areas rich in ribosomes are also rich in P, K and Mg. (3) These data support the idea that K is directly involved in the control of protein synthesis. The catalog of element concentrations in the cytoplasm of 13 cell types from both mice and rats should be of value to others who seek to answer various questions about these cell types.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041010315
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  • 7
    Electronic Resource
    Electronic Resource
    N. Methyl-N-diäthoxyphosphorylamido-Derivate des Hexachlorocyclotriphosphazatriens. I. Die Reaktion von Hexachlorocyclotriphosphazatrien mit dem Natriumsalz des N-Methylamidophosphorsäurediäthylesters (1975)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 415 (1975), S. 51-56 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: N-Methyl-N-Diethoxyphosphorylamido Derivatives of Hexachlorocyclotriphosphazatriene. I. The Reaction of Hexachlorocyclotriphosphazatriene with Sodium N-Methylamidophosphoric Acid Diethyl Ester.The reaction of hexachlorocyclotriphosphazatriene with the sodium salt of 0, 0-diethyl-N-methylamido-phosphate in the molar ratios 1:1, 1:2, and 1:3 gives a mixture of partially substituted compounds. The N-methyl-N-diethoxyphosphorylamidoderivatives, N3P3Cl6-n[NCH3P(O)(OC2H5)]n (n = 1, 2, 3) were isolated in a pure form by preparative column chromatography. Compounds with a higher degree of substitution are not formed. The compounds are characterized by their molecular weights, elementary analysis, and TLC-Rf values.
    Notes: Die Reaktion von Hexachlorocyclotriphosphazatrien mit dem Natriumsalz des N-Methylamidophosphorsäurediäthylesters führt bei Raumtemperatur in den Molverhältnissen 1:1, 1:2 und 1:3 zu einem Gemisch partiell substituierter Verbindungen. Mit Hilfe der präparativen Säulenchromatographie konnten die N-Methyl-N-diäthoxyphosphorylamido-Derivate, N3P3Cl6-n[NCH3P(O)(OC2H5)2]n (n = 1, 2, 3); in reiner Form isoliert werden. Verbindungen höheren Substitutionsgrades wurden nicht erhalten. Die Verbindungen wurden durch ihre Molmassen, Elementaranalysen und die dünnschichtchromatographischen Rf-Werte charakterisiert und gesichert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19754150108
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  • 8
    Electronic Resource
    Electronic Resource
    N-Methyl-N-diäthoxyphosphorylamido-Derivate des Hexachlorocyclotriphosphazatriens. IV. NMR-spektroskopische Untersuchungen zur Konstitution der Ammonolyseprodukte von N-Methyl-N-diäthoxyphosphorylamido-chloro-cyclotriphosphazatrienen (1978)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 438 (1978), S. 249-257 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: N-Methyl-N-Diethoxyphosphorylamido Derivatives of Hexachlorocyclotriphosphazatriens. IV N.M.R. Spectroscopic Investigations of the Products of the Ammonolysis of N-methyl-N-diethoxyphosphorylamindo-chloro-cyclotriphosphazatrienesBroad band 1H decoupled 31P n.m.r. spectra of products obtained by ammonolysis of N-methyl-N-diethoxyphosphorylamido-chloro-cyclotriphosphazatrienes provide essential hints at the constitution of these compounds. In this connection it may be easily demonstrated, both amino groups of N3P3Cl3[NCH3P(O)(OC2H5)2][NH2]2 as well as of N3P3Cl2[NCH3P(O)(OC2H5)2]2 [NH2]2 are arranged geminally. The spectral parameters were found and verified by simulation of spectra. The simulated 31P spectra agree closely with the observed ones. The conclusions from the 31P n.m.r. spectra are complemented by these from the 1H n.m.r. spectra.
    Notes: Protonenrauschentkoppelte 31P-NMR-Spektren der aus Ammonolysen von N-Methyl-N-diäthoxyphosphorylamido-chloro-cyclotriphosphazatrienen erhaltenen Verbindungen liefern wichtige Hinweise auf deren Konstitution. In diesem Zusammenhang läßt sich zeigen, daß die beiden Aminogruppen sowohl im N3P3Cl3[NCH3P(O)(OC2H5)2][NH2]2 als auch im N3P3Cl2[NCH3P(O)(OC2H5)2]2[NH2]2 geminal angeordnet sind. Die spektralen Parameter wurden auf dem Wege der Spektrensimulation gesichert.Die simulierten 31P-Spektren stimmen gut mit den experimentellen überein.Die Aussagen aus den 1H—NMR-Spektren ergänzen sich mit denen aus den 31P—NMR-Spektren.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19784380127
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  • 9
    Electronic Resource
    Electronic Resource
    Bildung und Konstitution eines heterocyclischen Phosphorbetains (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 437 (1977), S. 269-274 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Formation and Constitution of a Heterocyclic Phosphorus BetaineThe zwitter ionic 2,2,6,6-tetrakis(diethylamido)-4,4-Dioxo-1,3,5,2λ5,4λ5,6λ5-azadioxatriphosphorin (3) is formed as a cristalline byproduct in the reaction of octaethyl imidodiphosphoryl tetramide derivatives, {[(Et2N)2P(O)]2N}Y (Y = H, Na, SiMe3), with phosphorus(V) chlorides (PCl5, POCl3, ClP(O)(OEt)2). It is obtained from the primary reaction products in a secondary reaction. Its constitution was revealed by 31P-n.m.r.-spectroscopy and by synthesis of the 15N-labeled compound. From O-Diethoxyphosphorylated octaethyl imidodiphosphoryl tetramide the compound 3 is obtained only in presence of water traces and agents providing HCl like e. g. ClSiMe3 or ClP(O)(OEt)2.
    Notes: Bei der Umsetzung von Octaäthylimidodiphosphoryltetramid-Derivaten, {[(Et2N)2P(O)]2N}Y (Y = H, Na, SiMe3), mit Phosphor(V)-chloriden (PCl5, POCl3, ClP(O)(OEt)2) entsteht aus den primären Reaktionsprodukten in einer Folgereaktion das zwitterionische 2,2,6,6-Tetrakis(diäthylamido)-4,4-Dioxo-1,3,5,2λ5,4λ5,6λ5-azadioxatriphosphorin (3) als kristallines Nebenprodukt. Die Konstitutionsermittlung erfolgte mittels 31P-NMR-Spektroskopie und durch Synthese der 15N-markierten Verbindung. Aus dem O-Diäthoxyphosphorylierten Octaäthylimidodiphosphoryltetramid bildet sich 3 nur in Gegenwart von Wasserspuren und HCl-liefernden Reagenzien, wie ClSiMe3 oder ClP(O)(OEt)2.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774370139
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  • 10
    Electronic Resource
    Electronic Resource
    Galactose and glucose metabolism in galactokinase deficient, galactose-1-P-uridyl transferase deficient and normal human fibroblasts (1975)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 85 (1975), S. 569-577 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Despite the genetic interruption of the Leloir pathway both galactosemic patients and galactosemic fibroblasts can convert galactose to CO2 and TCA precipitable products, although at less than the normal rate. These observations stimulated investigations into the identity of the alternative metabolic routes which allow for galactose metabolism in the absence of in vitro galactose-1-P-uridyl transferase. Four lines of galactosemic cells, each without detectable gal-transferase, produced 14CO2 from [1-14C]-galactose (0.094 μmoles in 20 cc of medium) at approximately 39% ± 16% the rate of transferase positive cells over a 48-hour period. However, galactokinase deficient fibroblasts produced 14CO2 and TCA precipitable products from [1-14C] -galactose or [U-14C] -galactose at only 3% to 9% the rate of normal fibroblasts. Therefore it seems likely that galtransferase deficient fibroblasts must first synthesize galactose-1-P for further metabolism of galactose.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1040850308
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