Perrucci, R.,
"Engineering: Professional Servant of Power",
American Behavioral Scientist, vol. 14, pp. 492-506, 1971.
Perlman, B., and R. Varma,
"Improving ethical engineering practice",
IEEE Technology and Society Magazine, vol. 21, pp. 40-47, 2002.
Pan, J.,
"Wenchuan Earthquake and Dams Safety",
Journal of Engineering Studies, vol. 1, pp. 72-74, 2009.