00812nam0-22003131i-450-99000206929040332120021010000206929FED01000206929(Aleph)000206929FED0100020692920021010d--------km-y0itay50------baitaBiology of water supplyAnna B. HastingsLondonBritish Museum193748 pp.22 cmEconomic series7Fauna acquaticaIdrobiologia591.92Hastings,Anna B.88439ITUNINARICAUNIMARCBK99000206929040332161 X B.4/18DAGENDAGENBiology of water supply394377UNINAING01