00480nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067082001900076245013700095260004300232300001100275650001300286700002300299Para_6367CHAP220125s1973    xx            000 0 und d  a205079  cCHAP  aPA 595.7092 A6  aAquatic insects of California :b with keys to North American genera and California species  /c edit. by Robert L. Usinger [et.al.]  aBerkeley  :b University of California  a508 p.  aInsectos  aUsinger, Robert L.