International Symposium on Mathematical Modelling of Ecological, Environmental, and Biological Systems (1985 : Kanpur, India), Capasso, V., Hallam, T. G., & Shukla, J. B. (1987). Mathematical modelling of environmental and ecological systems: Excerpts from an International Symposium on Mathematical Modelling of Ecological, Environmental, and Biological Systems, held from August 27th-30th, 1985, in Kanpur, India. Elsevier.

International Symposium on Mathematical Modelling of Ecological, Environmental, and Biological Systems (1985 : Kanpur, India), V. Capasso, T. G. Hallam, and J. B. Shukla. Mathematical Modelling of Environmental and Ecological Systems: Excerpts from an International Symposium on Mathematical Modelling of Ecological, Environmental, and Biological Systems, Held from August 27th-30th, 1985, in Kanpur, India. Amsterdam: Elsevier, 1987.

International Symposium on Mathematical Modelling of Ecological, Environmental, and Biological Systems (1985 : Kanpur, India), et al. Mathematical Modelling of Environmental and Ecological Systems: Excerpts from an International Symposium on Mathematical Modelling of Ecological, Environmental, and Biological Systems, Held from August 27th-30th, 1985, in Kanpur, India. Elsevier, 1987.