00269nam a2200097Ia 4500008004100000082002300041100002300064245003800087260003800125300000800163140113s9999    xx            000 0 und d  a576.89(082.2)   L7  a"Esch, Gerald. W."  aRegulation of parasite populaiton  a1977bIndia Book HousecBangalore  a383