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  • Springer  (40,518)
  • Blackwell Publishing Ltd  (2,884)
  • American Institute of Physics (AIP)
  • 2015-2019
  • 1975-1979  (43,402)
  • 1976  (43,402)
  • 1
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    The cells that secrete the beaks in octopods and squids (Mollusca, Cephalopoda) (1976)
    Springer
    In:  Cell and Tissue Research, 167 (2). pp. 229-241.
    Details
    Publication Date: 2020-07-24
    Description: A single layer of cells secretes the hard cephalopod beaks. The beccublasts are tall columnar cells that separate the beak from the surrounding buccal muscles, and must serve to attach these muscles to the beak. Within the cell layer there are three types of cells. The first, and most frequently found contain cell-long fibrils. These fibrils may have contractile and tensile properties. Complex trabeculae extend from the beccublasts into the matrix of the beak. The fibrils are attached to these trabeculae and at the other end of the cells they are anchored near to the beccublast-muscle cell interface, closely associated with the muscles that move the beak. The second group of cells contain masses of endoplasmic reticulum the cysternae of which are arranged along the long axis of the cell. These cells also contain dense granules and are probably the major source of beak hard tissue. It is probable that each cell secretes its own column of beak hard tissue. The third group of cells contains a mixture of fibrils and secretory tissue. In the beccublast layer there are changes in the proportion of the three types of cells depending upon the region sampled. In the region where growth is most active there are mostly secretory cells, whereas near the biting and wearing tip there are mainly anchoring type cells.
    Type: Article , PeerReviewed
    Format: text
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  • 2
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    Natural Products from Porifera (1976)
    Springer
    In:  Fortschritte der Chemie Organischer Naturstoffe, 33 (1). pp. 1-72.
    Details
    Publication Date: 2017-10-11
    Description: Since organic chemistry began, the chemistry of natural products from terrestrial organisms such as plants and fungi has been studied intensively; in contrast, marine species have received relatively little attention. However, in the last decade research in the field of marine products has increased sbstantially. The heightened interest in this area is attested by the appearance of the monumental treatise of Halstead on Poisonous and Venomous Marine Animals in 1965 (108), Baslow’s review on “Marine Pharmacology” in 1969 (14) and Scheuer’s recent book “Chemistry of Marine Natural Products” (160) in 1973. In addition Premuzic’s review devoted to the Chemistry of Natural Products Derived from Marine Sources, was published in volume 29 of this series in 1971 (152).
    Type: Article , PeerReviewed
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  • 3
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    Marine sponges as habitats of anaerobic phototrophic bacteria (1976)
    Springer
    In:  Microbial Ecology, 3 (1). pp. 1-9.
    Details
    Publication Date: 2015-03-10
    Description: Enrichment cultures were prepared with different media for phototrophic bacteria from four species of marine sponges, collected from oxic coastal waters near Split (Yugoslavia). We obtained pure cultures of six strains of Chromatiaceae and two strains of Rhodospirillaceae by agar shake dilution. The Rhodospirillaceae were identified as Rhodopseudomonas sulfidophila and a marine form of Rhodopseudomonas palustris. TheChromatiaceae were identified as Chromatium vinosum, Chromatium gracile, Chromatium minutissimum. Ectothiorhodospira mobilis, and a Chromatium species, which in some respects resembles Chromatium minus. The occurrence of strictly anaerobic phototrophic bacteria in aerobic sponges is discussed with respect to nutrition and possible syntrophism
    Type: Article , PeerReviewed
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  • 4
    Electronic Resource
    Electronic Resource
    QUARTERLY ESTIMATES OF CAPITAL STOCKS IN THE U.S. PRIVATE DOMESTIC ECONOMY, BY MAJOR INDUSTRY GROUPS (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 22 (1976), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper describes a study designed to provide quarterly estimates of the real capital stock of the United States by sector and industry, which is being undertaken by the Conference Board. It surveys the history of wealth estimation in the United States, and goes on to describe work now in progress both in the Bureau of Economic Analysis and by private researchers. It then continues with a description of the methodology being used in the Conference Board study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1976.tb00841.x
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  • 5
    Electronic Resource
    Electronic Resource
    THE MEASUREMENT OF REAL INCOME (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 22 (1976), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper is about the theory of the measurement of real income. By “theory of measurement” I mean the characterization of statistical terms as variables in a model, just as real consumption is characterized as an indicator of utility and the consumer price index is characterized as the cost of attaining a given level of utility in the economic theory of index numbers developed by Konus, Frisch and others half a century ago. I identify five logically distinct and internally-consistent concepts of real income: maximum sustainable consumption, consumption plus the output of new capital goods, consumption plus the increase in the capital stock where capital can be measured in two quite separate ways, and the sum of actual consumption and consumption forgone in the investment process. The last of these concepts is the most appropriate as a guide to producing long time series of real income for measuring a country's rate of economic growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1976.tb00839.x
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  • 6
    Electronic Resource
    Electronic Resource
    CAPITAL STOCK AND CAPITAL CONSUMPTION ESTIMATES BY INDUSTRIES IN THE SWEDISH NATIONAL ACCOUNTS (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 22 (1976), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper gives a general description of the principles and methods in connection with making estimates of capital stock and capital consumption in the Swedish National Accounts, with breakdowns into industries and purposes of government services. The first section of the paper deals with definitions, principles and related questions. The major part of the estimates have been made according to the perpetual inventory method. The principles of this method are summarized. A number of problems relating to price indices are also described, as well as problems of valuation of capital for net worth and capital consumption estimates. The second section describes the methods of estimation and sources of data. The calculations have been made on a level of disaggregation into 41 industries and 13 purposes of government services. Three methods are used, i.e., direct estimates for capital objects, where some form of current stock data has been available, insurance values as proxy for replacement values, and perpetual inventory estimates. Comparisons between estimates according to the various methods are made in a number of cases.In the third section a few special problems regarding the quality of the estimates and the possibilities of improving the estimates are explored. The main problems refer to the lack of gross fixed capital formation data, in the form of detailed series which are consistent, cover a long period, and are deflated with an adequate set of price indices. The lack of information on survival curves and durabilities of various types of capital objects is also a severe set-back. Direct inventories would improve the level of the estimates, but they would also be difficult and costly to undertake. The change in capital stock would in any case have to be determined on the basis of gross fixed capital formation data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1976.tb00840.x
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  • 7
    Electronic Resource
    Electronic Resource
    DATA SOURCES ON INCOME DISTRIBUTION IN BANGLADESH, INDIA, PAKISTAN AND SRI LANKA: AN EVALUATION (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 22 (1976), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper examines the data base available in four South Asian countries, India, Pakistan, Bangladesh, and Sri Lanka, for the examination of trends in real inequality and poverty. Taking the position that sample surveys of household income and consumption are the only really adequate bases on which size distributions of income for a less developed country can be constructed, the paper examines in Section I the reliability of the surveys available in the four countries. Section II evaluates available price data. Section III looks at directions for future development of data collection. The conclusion is reached that sample surveys regularly conducted in these countries do not provide a particularly good basis for this type of analysis. Needed alterations include permitting access to the primary data (or redesign of published tabulations to meet the needs of this type of analysis), use of per capita rather than total household income and consumption, better coverage of regions and occupations, and exploitation of the price data implicit in the survey data collected. Further, the surveys themselves need to be overhauled, especially with regard to timing of interviews. The paper concludes with a short discussion of alternatives to estimates of inequality that can be used to measure absolute deprivation, such as the QUAC stick for identifying nutritional insufficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1976.tb00832.x
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  • 8
    Electronic Resource
    Electronic Resource
    A CORRECTION: JAPAN IS DIFFERENT (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 22 (1976), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1976.tb00836.x
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  • 9
    Electronic Resource
    Electronic Resource
    PROBLEMS OF MEASURING CAPITAL IN LESS DEVELOPED COUNTRIES (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 22 (1976), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: The general problems of distinguishing between theoretical concepts and practical measures concerning capital are considered and the difference between various stock and flow measures of capital and their respective uses is defined. The qualifications and limitations to these measures in the interpretation of output changes are also discussed. Attention is concentrated on the initial, basic problem of how to measure gross capital stock and the special difficulties involved in using the perpetual inventory simulation method and census procedures in less developed countries to derive such estimates are broadly defined. Some of the special problems encountered in an attempt to undertake an inventory of industrial capital assets in Lesotho are also referred to and the paper concludes by expressing the view that there are at present far more important issues demanding higher statistical priority in less developed countries than the evaluation of capital stocks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1976.tb00831.x
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  • 10
    Electronic Resource
    Electronic Resource
    THE ECONOMIC WELFARE OF THE AGED AND INCOME SECURITY PROGRAMS (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 22 (1976), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper examines several nonmoney components of economic welfare in both a theoretical and an empirical framework, computes the distributional ranking of aged families arising from such a measure, and subsequently examines the target effectiveness of eleven programs of the U.S. federal government aimed at the aged. While the theoretical discussion attempts to cover all factors contributing to the economic welfare of the aged, the empirical measure is somewhat less comprehensive, excluding the value of nonmarket productive activities and leisure time as well as benefits derived from direct government expenditures and some in-kind transfers and taxes. The study makes use of a subsample of the 1967 Survey of Economic Opportunity data composed of all families with at least one aged member. Specific attention is devoted to dissaving from net worth, in-kind transfers, incidence of taxes, and intrafamily transfers. Government cash and in-kind transfers are found to constitute a third of the total measured economic welfare of the aged, and the impact of each of these programs is examined individually. As might be expected, public assistance and public housing are the programs of most benefit to the aged poor. Medicaid and Medicare are substantially less so, and Social Security is distributionally neutral. Such programs as unemployment insurance are of little benefit to the aged. Tax expenditures, finally, provide no benefits to even the lower half of the distribution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1976.tb00834.x
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