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4. Azzi, M.; Johnson, G.M. “Notes on the Derivation, The Integrated Empirical Rate Model, Version 2.2.” Commonwealth Scientific and Industrial Research Organization Division of Coal and Energy Technology, P.O. Box 136, North Ryde, NSW 2113, Australia; March 20, 1992.
5. Wratt, D.S.; Hadfield, M.G.; Jones, M.; Johnson, G.M. Predicting the Impact of a Proposed Gas-Fired Power Station on Photochemical Pollution Levels around Auckland. In Proceedings, 10th International Conference of the Clean Air Society of Australia and New Zealand, Auckland, New Zealand, 1990, pp 159–164.