000 00328nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aS. P. Mahajan & T. V. Ramachandra
245 _aEnvironmental Engineering Series Air Pollution Control
260 _bCommonwealth of Learning, Cannada LTd.,
260 _c2009
300 _a184 P.,
999 _c2858
_d2858