00286nam a2200121Ia 450000500170000000800410001704100080005808200150006610000150008124500390009626000200013530000090015520260720174713.0260720s1989 xx 000 0 und d aeng a574.2 NAIT aNair P K G aTextbook of genetics and evolution aNew Delhic1989 a343p