000 00370nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a574.929
100 _aGeorge chandler whipple
245 0 _aFresh water biology
250 _a2nd ed
260 _aNewdelhi.
_bInternational books&periodica
_cls supply s1992
300 _axxii,1248p
942 _cPR
999 _c46355
_d46355