000 00431cam a2200169 4500
020 _a072169120X
040 _cDLC
082 0 0 _a574 SAU 1971 A080 Or.
100 1 _aWarren, Charles E.,
245 1 0 _aBiology and water pollution control
260 _aPhiladelphia,
_bSaunders,
_c1971.
300 _axvi, 434 p.
_billus.
_c27 cm.
650 0 _aWater
650 0 _aFreshwater ecology.
700 1 _aDoudoroff, Peter.
942 _cEK
999 _c15554
_d15554