000 003690000a22001450004500
008 160113t1976 xxu||||| |||| 00| 0 eng d
020 _a92-4-170024-6
041 _aeng
080 _a628.511/.514
_bS4
942 _cBK
245 _aSelected methods of measuring air pollutants
260 _aGeneva
_bWHO
_c1976
300 _a112 p.
650 _aAIR POLLUTION-ANALYSIS
999 _c125867
_d125867