1. For a review of the formation and characterization of secondary organics, see, for example, D. Grosjean, “Secondary organic aerosols: Identification and mechanisms of formation,” in Proceedings, Conference on Carbonaceous Particles in the Atmosphere, Lawrence Berkeley Laboratory Report LBL-9037 (1979), p. 107 (available from NTIS).
2. S. G. Chang and T. Novakov, Atmos. Environ., Vol. 9 (1975), p. 495.
3. T. Novakov, A. B. Harker and W. Siekhaus, “Studies in aerosol chemistry by photoelectron spectroscopy — sulfur and nitrogen compounds,” in Proceedings, First Annual NSF Trace Contaminants Conference, Oak Ridge National Laboratory Report CONF-730802 (1974), p. 379.
4. T. Novakov, “Chemical characterization of atmospheric pollution particulates by photoelectron spectroscopy,” in Proceedings, Second Joint Conference on Sensing of Environmental Pollutants, Pittsburgh, Instrument Society of America (1973), p. 197.
5. T. Novakov, S. G. Chang and A. B. Harker, Science, Vol. 186 (1974), p. 259.