000 00275nam a2200121Ia 4500
008 160710s1972 xx 000 0 und d
082 _a628.53 LED
100 _aLEDBETTER,J.O.
245 _aAIR POLLUTION
260 _bMARCEL DEKKER
_c1972
300 _a424
942 _2ddc
_cB
999 _c39510
_d39510