1. Bowler, P.J., 1992. The Problem of Perception. The Fontana History of the Environmental Sciences. R. Potter. London, Great Britain, HarperCollins Manufacturing, Glasgow, 634, pp. 1–2.
2. Buckeridge, J.S., 1994. Introducing philosophy and ethics to the engineering curriculum. Transactions of the Institution of Professional Engineers New Zealand 21 Number 1/GEN.
3. Buckeridge, J.S., Tapp, B.A., 1999. Ethics and that Ethic called Sustainability. Australasian Environmental Engineering Conference, Auckland, New Zealand.
4. Buckeridge, J.S., 2001. Ethics, Environment and Culture: Their Significance within Engineering Education. International Ecological Engineering Conference ©International Ecological Engineering Society (IEES) and New Zealand Engineers for Social Responsibility (ESR), Lincoln University, 26–29 November 2001.
5. Ecological forecasts: an emerging imperative;Clark;Science,2001