00893nam0-2200313---450-99000918133040332120100504095513.00471042498000918133FED01000918133(Aleph)000918133FED0100091813320100504d1978----km-y0itay50------baengUSa-------001yyFresh-water invertebrates of the United Statesby Robert W. Pennak2nd ed.New York ; ChichesterWiley1978XVIII, 803 p.ill.26 cm.InvertebratiAcqua dolcePennak,Robert W.84502ITUNINARICAUNIMARCBK990009181330403321IG 15 A 011744DMIGIDMIGIFresh-water invertebrates of the United States779760UNINA