000 00276nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a628.53
100 _aTRIVEDI R K
245 3 _aAN INTRODUCTION TO AIRPOLLUTION
260 _bB.S.P
365 _b275.00
942 _cBTECH
999 _c162580
_d162580