1. Naur, P., Randell, B.: Software Engineering: Report of the Working Conference on Software Engineering. NATO Science Committee (1969)
2. Standish Group: The Extreme Chaos. Standish Group International, Inc. (2006)
3. MCconell, S.: Repid Development. Microsoft press (1996)
4. Winston, R.W.: Managing the development of large software systems. In: Proceedings, IEEE Wescon, pp. 1–9 (1970)
5. Boehm, B.: A spiral model of software development and enhancement. SIGSOFT Software Engineering Notes 11(4) (1986)