1. Cochran , E. B. , and Rowe , A. J. “ The Sources of Disruption to Project Cost and Delivery Performance ,” Transactions, Sixth Annual Department of Defense Procurement Research Symposium , West Point , New York ( June 1977 ).
2. Cochran , E. B. “ Measuring and Predicting Production Disruption Costs Due to Design Uncertainty and Delivery Urgency ,” paper presented at the Seventh Annual Department of Defense Procurement/Acquisition Research Symposium , Hershey , Pennsylvania ( June 1978 ).