@article{article1ca75b33,
title   = {A comparative analysis of the effects of natural and of radiation-induced lethals in heterozygous individuals and of their frequencies in natural populations of Drosophila Willistoni},
author = {Cunha, Antonio Brito da and Toledo, J. S. de and Pavan, Crodowaldo and Souza, H. L. de and Melara, H. E. and Gabrusewycz, N. and Gama, M. R. and Pires de Camargo, M. L. and Mello, L. C. de},
year = {1959},
journal   = {Progress in Nuclear Research. Series 6, Biological Sciences}
}