1. On the validity of the acidimetric method for sulfur dioxide survey networks;Derouane;Sci. Total Environ.,1982
2. Reference method for the determination of sulphur dioxide in the atmosphere (Pararosaniline method), Fed. Regist., 36 (84) 8186.
3. Applied Regression Analysis;Draper,1981
4. Process Analysis by Statistical Methods;Himmelblau,1968