000 00332nam a2200109 4500
245 _aReadings in aquatic ecology
_cedited by Richard F. Ford and William E. Hazen
710 _aFord, Richard F.
710 _aHazen, William E.
260 _aPhiladelphia
_bW.B. Saunders
_c1972
300 _avi,397p.:ill.; 26cm.
082 _a574.5263
_bFOR
999 _c25230
_d25230