1. Baldwin, M. C. & A Chovnick, (1967). Autosomal half-tetrad analysis in Drosophila melanogaster. Genetics 55: 277?293.
2. Baldwin, M. C. & D. T. Suzuki, (1971). A sereening procedure for detection of putative deletions in proximal heterochromatin of Drosophila. Mutation Res. 11: 203?213.
3. Bateman, A. J., (1968). Non-disjunction and isochromosomes from irradiation of chromosome 2 in Drosophila. In: ?Effects of radiation on meiotic systems?, Int. atom. Energy Ag., STI/PUB/173, 63?70.
4. Chadov, B. F., (1969), Preliminary data on 2 chromosome aneuploidy in females of Drosophila melanogaster. Drosoph. Inf. Serv. 44: 111.
5. Darlington, C. D., (1940). The origin of isochromosomes. J. Genet. 39: 351.