000			00311nam a2200133Ia 4500
008			190711s9999 xx 000 0 und d
020			_a8170242673
082			_a628.168 T835
100			_aTRIPATHI,A.K
245		0	_aWATER POLLUTION
260			_aNEW DELHI _bASHISH _c1990
300			_a23X15
942			_cBK _2DDC
999			_c23375 _d23375