000 00278nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a577
100 _aK.V.S.G.MURALI KRISHNA
245 0 _aAIR POLLUTION AND CONTROL
260 _bLAXMI
365 _b275.00
942 _cBTECH
999 _c171745
_d171745