The concept of species based on experiment:
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Bibliographic Details
Main Authors: Clausen, Jens (Author), Keck, David D. (Author), Hiesey, William M. (Author)
Format: Book
Language:English
Published: 1939
Edition:[Sonderdr.]
Item Description:Aus: American Journal of Botany ; 26,2
Physical Description:S. 103 - 106

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!