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  • 1980-1984  (13)
  • 11
    Electronic Resource
    Electronic Resource
    The effects of norms and self-reward on goal setting and subsequent behavior (1981)
    Springer
    Cognitive therapy and research 5 (1981), S. 217-219 
    Details
    ISSN: 1573-2819
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01172530
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 12
    Electronic Resource
    Electronic Resource
    Voluntary childlessness: A review of the evidence and implications (1982)
    Springer
    Population research and policy review 1 (1982), S. 203-224 
    Details
    ISSN: 1573-7829
    Source: Springer Online Journal Archives 1860-2000
    Topics: Sociology
    Notes: Abstract This paper reviews evidence on the incidence, correlates, and implications of voluntary childlessness in the United States. Overall, the evidence points toward the increasing prevalence of this phenomenon, with some analysts projecting that as much as 30 percent of recent cohorts of American women will remain permanently childless. These high rates are shown to be similar in magnitude to rates of childlessness projected for recent cohorts of women in several European countries with fertility patterns comparable to those of the United States. Explanations for the increasing prevalence of childlessness are also considered. The second half of this paper examines existing evidence on the correlates of voluntary childlessness. In this connection, special attention is paid to education, area of residence, labor force status, income, and geographic mobility. This section also explores the implications of increasing childlessness and selected ways to redistribute the cost of children.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00140093
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    Paper (German National Licenses)
    Fulltext
  • 13
    Electronic Resource
    Electronic Resource
    The morphology of the honey bee (Apis mellifera L.) venom gland and reservoir (1984)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 181 (1984), S. 69-86 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Hymenopteran venom glands are epidermal glands that have evolved from female accessory reproductive glands. In the honey bee, Apis mellifera L., the venom gland shows many of the fine structural features of primitive glands. A honey bee venom gland is a simple, long, thin, distally bifurcated structure, opening into an ovoid reservoir. Along most of the length of the gland are similar secretory units that have four major components (secretory cells, duct cells, ducts, and end apparatuses), except in the part of the gland proximal to the venom reservoir, where the secretory units resemble those around the venom reservoir. In the latter secretory units a funnel structure occurs between the duct (which is shorter than that of the secretory units of the gland) and the end apparatus. This funnel may be important in protecting the secretory cells around the reservoir from the cytolytic activity of the complex chemical mixture constituting the venom.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051810107
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    Paper (German National Licenses)
    Fulltext
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