000			00346nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a81-85842-69-8
082			_a628.53 _bSHA
100			_aSharma, B
245		0	_aAir pollution
260			_aMeerut : _bGoel Pub, _c1994.
300			_axii,240
365			_a100
650			_aCivil Engineering
999			_c128599 _d128599