00319nam a2200109Ia 4500008004100000040003800041100001500079245004900094260003800143300001600181653001200197211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aZaika, V E 0aSpecific production of aquatic invertebrates  bJOHN WIELY AND SONSaLONDONc1973  aVI,154 P p.  aZOOLOGY