000			00308nam a2200133Ia 4500
008			171227s1999 xx 000 0 und d
020			_a978-81-85842--69-8
100			_aSharma, B K
245			_aAir Pollution
250			_a3
260			_aMeerut _bGoel Publishing House _c1999
300			_a204
365			_b110
650			_aChemistry
999			_c146865 _d146865