1. ABRAHAM, S., ABRAHAM, S.K., RADHAMONY, G.: Cytologia 41, 591–595 (1976).
2. AGARWAL, P.K., ROY, R.P.: Nucleus 18, 118–122 (1975).
3. AHOKAS, H.: J. Sci. Agric. Soc. Finland 48, 90–105 (1976).
4. ALEKPEROV, U.K., ABUTALYBOV, M.G., BAGIROVA, A.D.: Genetika USSR 12 (7), 41–50 (1976).
5. AMER, S.M., ALI, E.M.: Cytologia 39, 633–643 (1974).