Brush, Stephen G. (1. 6. 1978). „Nettie M. Stevens and the Discovery of Sex Determination by Chromosomes”. Isis. 69 (2): 162—172. JSTOR230427. doi:10.1086/352001.
Brush, Stephen G. (1. 6. 1978). „Nettie M. Stevens and the Discovery of Sex Determination by Chromosomes”. Isis. 69 (2): 162—172. JSTOR230427. doi:10.1086/352001.