000 00292nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a628.168
_bTRI
100 _aTripathi, AK & Pandey, SN
245 0 _aWater pollutions
260 _bAshish Pub. House
_c1990
300 _a326
942 _2ddc
999 _c84647
_d84647