1. Benavente, R., Wettstein, R.: Evolutión de los cromosomas sexuales durante la espermatogénesis de Lycosa malitiosa (macho 2n=20+X1X2O, Lycosidae, Arachnida). Rev. Microsc. Elect. 3, 18?19 (1976)
2. Brum-Zorrilla, N., Cazenave, A.M.: Heterochromatin localization in the chromosomes of Lycosa malitiosa (Arachnida). Experientia (Basel) 30, 94?95 (1974)
3. Carpenter, A.T.C.: Electron microscopy of meiosis in Drosophila melanogaster Females. I. Structure, arrangement and temporal change of the synaptonemal complex in wild-type. Chromosoma (Berl.) 51, 157?182 (1975)
4. Comings, D.E.: Architecture of meiotic cells and mechanisms of chromosome pairing. Advanc. Cell molec. Biol. 2, 310?384 (1972)
5. Diaz, M.O., Saez, F.A.: 19 Karyotypes of South-American Araneida. Mem. Inst. Butantan. Symp. Internac. 33, 153?154 (1965)