000 00311nam a2200133Ia 4500
008 171227s1999 xx 000 0 und d
020 _a978-0-07-451871-2
100 _aRao, M N
245 _aAir Pollution
260 _aNew Delhi
_bTata McGraw Hill
_c1999
300 _a339
365 _b200
650 _aChemistry
700 _a Rao H V N
999 _c148530
_d148530