00733nam a2200229 a 450000100060000000300080000600500170001400800410003102000150007203500190008704000270010604100080013308200270014110000400016824500950020825000120030326000430031530000330035850000400039150400280043165000440045965997BD-RjUL20211209081505.0170313s1989    nyua     b    001 0 eng d  a0471631183  a(BD-RjUL)66127  aDLCcDLCdBD-RjULbeng  aeng  a592.0973223bPEF 19891 aPennak, Robert W.q(Robert William)10aFresh-water invertebrates of the United States :bprotozoa to mollusca /cRobert W. Pennak  a3rd ed.  aNew York ;aChichester :bWiley,c1989  axvi, 628 p. :bill. ;c26 cm  a"A Wiley-Interscience publication."  aIncludes bibliographies 0aFreshwater invertebrateszUnited States