000 00305nam a2200109Ia 4500
008 220201s1999 xx 000 0 eng d
100 _aCHATWAL, G R
245 0 _aENVIRONMENTAL AIR POLLUTION AND ITS CONCEPTS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1999
300 _a591
942 _2ddc
999 _c60352
_d60352