Drosophila guide : introduction to the genetics and cytology of Drosophila melanogaster / M. Demerec and B. P. Kaufmann. Demerec, M. Kaufmann, B. P. Drosophila melanogaster. Chromosomes. 591.15 DED Includes bibliography: p. 28-29. Washington : Carnegie Institution of Washington, c1967. c1967. 1967 Text 45 p. : eng