000 00505nam a2200181Ia 4500
003 OSt
005 20230511111310.0
008 210423s1992 xx 000 0 und d
040 _cAL
041 _aeng
082 _a363.7
_223
_bCHHE
100 _aCHHATWALl (G R);others,Ed.
_9102623
245 _aEnvironmental air pollution and its control.
260 _aNew Delhi
_bAnmol Publications
_c1992
365 _b650
_cINR
906 _aair ; control. ; Environmental ; its ; pollution
942 _2ddc
_cBK
999 _c171922
_d171922