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    <title>reinforcing character of stimuli discriminative for early caretaking in kittens</title>
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  <name type="personal">
    <namePart>Baer, Donald M. (Donald Merle)</namePart>
    <namePart type="date">1931-2002</namePart>
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    <dateIssued>n.d.]</dateIssued>
    <dateIssued encoding="marc">1957</dateIssued>
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    <extent>39 l. illus.</extent>
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  <note>Thesis--University of Chicago.</note>
  <note>Microfilm. Chicago [Library, Dept. of Photographic Reproduction, University of Chicago] 1957.</note>
  <subject authority="lcsh">
    <topic>Reinforcement (Psychology) [from old catalog]</topic>
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  <classification authority="lcc">Microfilm 5415 BF</classification>
  <identifier type="lccn">mic58006366</identifier>
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