000 00416cam a22001577a 4500
008 180718b1992 xxu||||| |||| 00| 0 eng d
020 _a8170244854
082 _aO91 M687
100 _aMishra, S.R.
245 _aAquatic ecology
_cby S.R. Mishra and D.N. Saksena
260 _aDelhi
_bAshish
_c1992
300 _a331p.
650 _aEnvironmental protection
650 _aAquatic ecology
700 _aSaksena, D.N.
999 _c492671
_d492671