000			00357nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a577 _bSHR
100			_aShrma, P
245		0	_aEnvironmental biology and toxticology
260			_aMeerut : _bRastogi Pub, _c1998.
300			_aXI,543
365			_a102
650			_aCivil Engineering
999			_c129951 _d129951