000 00394nam a2200133Ia 45e0
008 180110s1999 xx 000 0 und d
082 _a628.53
100 _aKrishna, KVSG Murali
245 0 _aAir Pollution and Control
260 _aKakinada
_bKaushal & Co.
_c1999
300 _a345p: ill;
942 _2ddc
_cBK
999 _c1167
_d1167