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Sex-differentiation in the viviparous teleost "Xiphophorus helleri" Heckel ...

Thesis (Ph. D.)--University of Chicago, 1922. / "Private edition, distributed by the University of Chicago libraries, Chicago, Illinois." "Reprinted from Biological bulletin, vol. XLV, no. I, July, 1923." Bibliography: p. 75-77. Also available on the Internet.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/12761292
Date January 1900
CreatorsEssenberg, Jacob Martin,
Publisher[Lancaster, Pa.,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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