1) Saltzman, B. E.: Colorimetric microdetermination of nitrogen dioxide in the atmosphere, Anal. Chem., 26 (12), 1949-55 (1954).
2) Fontijin, A., Sabadell, A. J., Ronco, R.: Homogeneous chemiluminescent measurement of nitric oxide with ozone, Anal. Chem., 42 (6), 575-9 (1970).
3) Merryman, E. L., Spicer, C. W., Levy, A.: Evaluation of arsenite-modified Jacobs-Hochheiser procedure, Environ. Sci. Technol., 7 (11), 1056-9 (1973).
4) Fuerst, R. G., Margeson, J. H.: Evaluation of TGS-ANSA procedure for determination of nitrogen dioxide in ambient air, U.S.N. T.I.S., PB Rep. No.23809710 GA (1974).