Morgan, Th. H., e Bridges, C. B. The origin of gynandromorphs. C.I.P. N. 278, 1919.
biologia
Pagina 419
Dobzhansky, Th. - Genetics and the origin of Species. New York, Columbia Univ. Press., 1937.
biologia
Pagina 426
Nilsson, H. - The problem of the origin of species since Darwin. H., XX., 1935.
biologia
Pagina 427
Stark, M. B. - The origin of certain hereditary tumors in Drosophila. Amer.
biologia
Pagina 428