1. Reliability of progress curves in airframe production;Alchian;Econometrica,1963
2. Amateur Athletic Union of the U.S., “Official Handbook 1964.” Swimming, Diving, Water Polo. (1964 performances were made available by Yale Athletic Association.)
3. The economic implications of learning by doing;Arrow;Rev. Econ. Studies,1962
4. Cost-Quantity Relationships in the Airframe Industry;Asher,1961
5. Association of Field and Track Statisticians, “Olympic Handbook, 1964” (D. H. Potts and R. L. Quercetani, Track and Field News, Los Altos, California).