1. Atabekowa, A. (1937). “Über die Bildung polyploider Sätze in somatischen Zellen.”Genetics,19, 105–33.
2. Beadle, G. W. (1933). “Further studies in asynaptic maize.”Cytologia, Tokyo,4, 269–87.
3. Darlington, C. D. (1935). “The internal mechanics of chromosomes. II. Prophase pairing at meiosis inFritillaria.”Proc. roy. Soc. B,118, 59–73.
4. —— (1937).Recent Advances in Cytology. London: Churchill.
5. Hollingshead, L. (1932). “The occurrence of unpaired chromosomes in hybrids between varieties ofTriticum vulgare.”Cytologia, Tokyo,3, 119–41.