000			00309nam a2200121Ia 4500
008			171227s1996 xx 000 0 und d
020			_a978-81-85842-78-7
100			_aSharma, B K
245			_aIntroduction To Environmental Pollution
260			_aMeerut _bPrakashan Media _c1996
300			_a512
365			_b125
650			_aChemistry
999			_c146862 _d146862