000 00326nam a2200133Ia 4500
008 211209s2018 xx 000 0 und d
020 _a9788179931868
041 _aeng
082 _a628.53 COO
100 _aMAHAJAN S P
245 _aAIR POLLUTION CONTROL
260 _bCOMMON WEALTH OF LEARNING
_c2018
300 _aXII + 184
999 _c84549
_d84549