000 00313nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a581.5(082.2) K9
100 _aPUDOC
245 _aAir Pollution :Proceedings of first European Congress
260 _a1969
_bPUDOC
_cWageningen
300 _a415
942 _cBK
999 _c57830
_d57830