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  • 1
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    The Efficiency of Investment in the Inner-City (1970)
    Cambridge, Mass. : Periodicals Archive Online (PAO)
    Sloan management review. 11:2 (1970:Winter) 77 
    Details
    ISSN: 0019-848X
    Topics: Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:m158-1970-011-02-000010
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  • 2
    Electronic Resource
    Electronic Resource
    The Dugong (1966)
    [s.l.] : Nature Publishing Group
    Nature 209 (1966), S. 938-939 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have recently completed a preliminary survey of the dugongs on the coast of Queensland, in Torres Strait, and elsewhere in the Australasian region. Personal travel and the questioning of innumerable individuals with local knowledge, together with much and continuing correspondence with coastal ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/209938b0
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  • 3
    Electronic Resource
    Electronic Resource
    Manatees of Guiana (1962)
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 1329-1329 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] American manatees still live, but in small numbers, in many places around the Gulf of Mexico and the Caribbean Sea, The sub-species on the coasts of Central and South America is Trichechus manatus manatus, while T. manatus latirostris is found on the Florida peninsula. Both sub-species occur in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1961329a0
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  • 4
    Electronic Resource
    Electronic Resource
    New strategic factors in the North Atlantic
    Amsterdam : Elsevier
    Marine Policy 1 (1977), S. 37-44 
    Details
    ISSN: 0308-597X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Political Science , Law
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0308-597X(77)90006-9
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  • 5
    Electronic Resource
    Electronic Resource
    Numerical simulation of collapsible-tube flows with sinusoidal forced oscillations (1996)
    Springer
    Bulletin of mathematical biology 58 (1996), S. 1023-1046 
    Details
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract Collapsible-tube flow with self-excited oscillations has been extensively investigated. Though physiologically relevant, forced oscillation coupled with self-excited oscillation has received little attention in this context. Based on an ODE model of collapsible-tube flow, the present study applies modern dynamics methods to investigate numerically the responses of forced oscillation to a limit-cycle oscillation which has topological characteristics discovered in previous unforced experiments. A devil's staircase and period-doubling cascades are presented with forcing frequency and amplitude as control parameters. In both cases, details are provided in a bifurcation diagram. Poincaré sections, a frequency spectrum and the largest Lyapunov exponents verify the existence of chaos in some circumstances. The thin fractal structure found in the strange attractors is believed to be a result of high damping and low stiffness in such systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02458382
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  • 6
    Electronic Resource
    Electronic Resource
    A study of the bifurcation behaviour of a model of flow through a collapsible tube (1996)
    Springer
    Bulletin of mathematical biology 58 (1996), S. 611-641 
    Details
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract Most of the elastic tubes found in the mammalian body will collapse from a distended circular cross section and when collapsed may undergo flow-induced oscillations. A mathematical model describing fluid flow in a collapsible tube is analysed using the software package AUTO-86. AUTO-86 is used for continuation and bifurcation problems in systems of non-linear ordinary differential equations. The model is a third-order lumped-parameter type and is based on the classical “Starling resistor”; it describes the unsteady flow behaviour and, in particular, the experimentally observed self-excited oscillations, in a way which is simple enough to give physical understanding, yet still firmly based on fluid mechanical principles. Some of the bifurcation types found in this model bear close resemblance to the types suggested by experimental observations of self-excited oscillations in collapsible tubes; they thus shed some light on the various topological changes which occur in practice, particularly in view of the fact that some of the points found numerically are diffcult to achieve experimentally, while the existence of others can only be inferred indirectly and uncertainly from experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02459476
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  • 7
    Electronic Resource
    Electronic Resource
    Modeling Distributed Knowledge Processes in Next Generation Multidisciplinary Alliances* (2000)
    Springer
    Information systems frontiers 2 (2000), S. 317-331 
    Details
    ISSN: 1572-9419
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract Current research on distributed knowledge processes suggests a critical conflict between knowledge processes in groups and the technologies built to support them. The conflict centers on observations that authentic and efficient knowledge creation and sharing is deeply embedded in an interpersonal face to face context, but that technologies to support distributed knowledge processes rely on the assumption that knowledge can be made mobile outside these specific contexts. This conflict is of growing national importance as work patterns change from same site to separate site collaboration, and millions of government and industrial dollars are invested in establishing academic-industry alliances and building infrastructures to support distributed collaboration and knowledge. In this paper we describe our multi-method approach for studying the tension between embedded and mobile knowledge in a project funded by the National Science Foundation's program on Knowledge and Distributed Intelligence. This project examines knowledge processes and technology in distributed, multidisciplinary scientific teams in the National Computational Science Alliance (Alliance), a prototypical next generation enterprise. First we review evidence for the tension between embedded and mobile knowledge in several research literatures. Then we present our three-factor conceptualization that considers how the interrelationships among characteristics of the knowledge shared, group context, and communications technology contribute to the tension between embedded and mobile knowledge. Based on this conceptualization we suggest that this dichotomy does not fully explain distributed multidisciplinary knowledge processes. Therefore we propose some alternate models of how knowledge is shared. We briefly introduce the setting in which we are studying distributed knowledge processes and finally, we describe the data collection methods and the current status of the project.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1026520728644
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  • 8
    Electronic Resource
    Electronic Resource
    Death of St. Peter's Fish in Lake Huleh, Palestine (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 58-58 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PALESTINE has been having some extremely cold weather and the past winter was probably one of the severest in recent years. Snow in Jerusalem and on the hills caused delight and amazement to much of the human population, but the bitter cold caused havoc and death among some of the fish in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150058a0
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  • 9
    Electronic Resource
    Electronic Resource
    Production of Freshwater Fish in Palestine (1943)
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 415-416 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN his article on the “Freshwater Fisheries in the British Colonial Empire”1, Dr. E. B. Worthington stresses the importance of freshwater fish production, but points out that in many parts of the Empire the fresh waters are being neglected. Taking Lake Victoria as an example, he ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/152415b0
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  • 10
    Electronic Resource
    Electronic Resource
    Bionomics of Dugongs and Manatees (1968)
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), S. 423-426 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These large aquatic mammals have always been valued as food, but little has been known of their biology. The following, based on a paper read to the Linnean Society on February 15, is a report of a preliminary study carried out in Queensland and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/218423a0
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