@article{243703, url = {http://digitallibrary.un.org/record/243703}, title = {Instruments for continuous measurement of concentration of noxious components in gas combustion products and in the atmosphere : draft questionnaire /}, publisher = {UN,}, recid = {243703}, pages = {2 p. :}, address = {Geneva :. 1995-08-01}, year = {1995}, month = {Aug}, }