000 003900000a22001450004500
008 160114t1969 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a628.51
_bK3
942 _cBK
100 _aKATZ, M.
245 _aMeasurement of air pollutants: guide to the selection of methods
260 _aGeneva
_bWHO
_c1969
300 _a123 p., bibliog. p. 116-123
650 _aAIR POLLUTION
999 _c125859
_d125859