1. Selection for migration modification;Balkau;Genetics,1973
2. On the possibility of sympatric species formation (Russian);Bazykin;Byulleten' Moskovskogo Obshchestva Ispytateley Prirody. Otdel Biologicheskiy,1965
3. Hypothetical mechanism of speciation;Bazykin;Evolution,1969
4. Evolution in closely adjacent plant populations;Caisse;Heredity,1978
5. Theoretical considerations of sympatric divergence;Dickinson;Amer. Natur.,1973