1. Broome, T.H. (1986) The Slippery Ethics of Engineering, Washington Post: Sunday, Dec. 26. pp. D3–5.
2. Lincoln, Abraham (1861) First Inaugural Address.
3. Ferguson, E. (1979) Imperatives of Engineering, In: Burke, J., et al. Connections: Technology and Change, Boyd and Fraser, San Francisco, CA, pp. 30–31.
4. Whitbeck, C. (1998) Ethics in Engineering Practice and Research, Cambridge University Press, New York, NY, p. 66.
5. Broome, T.H. (1999) Exigent Decision Making in Engineering, Cleveland, OH: Online Ethics Center for Engineering and Science, Case Western Reserve University, [To be found at http://ethics.cwru.edu.]