00270nam a2200109Ia 4500008004100000082001500041100001600056245002700072250000800099260004000107300001300147190710s9999    xx            000 0 und d  a575.1 K527  aKhanna, S S 0aGenetics and evolution  a4th  aAllahabadbCentral Book Depotc1989  aviii,436