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Cottrell, C. K. et al. (2002). Perceptions and Needs of Patients with Migraine. Health and Fitness. Journal of Family Practice. http://www.findarticles.com/articles/p/mi_m6689/is_2_51/ai_83551751
Migraine Headaches
Cottrell, L. S., Jr. & Eberhart, S. (1948). American Opinion on World Affairs in the Atomic Age. Princeton: Princeton University Press.
Technological Advances
Cottrell, Tom; Sick, Gordon (2002), "Real options and follower strategies: The loss of real option value to first-mover advantage". The Engineering Economist; Volume 47 Issue 3, pp. 232-263
First-Mover Advantage in the On-Line Industry
Cottrell, Leonard. Reading the Past: The Story of Deciphering Ancient Languages. New York: Crowell-Collier Press, 1971.
The Evolution of Writing
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