000 00267nam a2200121Ia 4500
008 160710s1976 xx 000 0 und d
082 _a614.71 WAR
100 _aWARK,K.
245 _aAIR POLLUTION
260 _bHARPER & ROW
_c1976
300 _a519
942 _2ddc
_cB
999 _c41855
_d41855