The case studies in this chapter are from the authors experiences and that of Francesco Cirillo, of XP Labs, Inc., in Italy.
[Brooks87] Brooks, P. Fredrick, No silver bullet: Essence and accidents of software engineering, IEEE Computer (April 1987): pp. 10 “19.
[Tausworthe81] Tausworthe, R. C., Deep Space Network Software Cost Estimation Model, Publication 81-7 , Jet Propulsion Library, Pasadena, CA, 1981.
Earned Value Web site: http://www.acq.osd.mil/pm/