00909nam0-22003011i-450-99000201566040332120070416131408.0000201566FED01000201566(Aleph)000201566FED0100020156620030910d1956----km-y0itay50------baengUSa---a---001yyAquatic insects of Californiawith keys to north american genera and California speciesedited by Bobert L. UsingerBerkeleyUniversity of California Press1956508 p.ill.28 cmEntomologiaInsetti acquatici595.7092Usinger,Robert LeslieITUNINARICAUNIMARCBK99000201566040332161 IV C.7/031202DAGENDAGENAquatic insects of California405612UNINA