000 00306nam a2200133Ia 4500
008 211209s1989 xx 000 0 und d
020 _a9780074518717
041 _aeng
082 _a628.53 RAO
100 _aRAO M N
245 _aAIR POLLUTION
260 _bMCGRAW-HILL AND COMPANY
_c1989
300 _a339
999 _c89747
_d89747