1. Hugh R. Beyer, Kathy Chapman, and Chris Nolan. The ATIS reference model. Technical Report ZK02-3N30, Digital Equipment Corp., 110 Spirit Brook Rd., Nashua, NH 03062, April 1990.
2. Gerard Boudier, Ferdinando Gallo, Regis Minot, and Ian Thomas. An overview of PCTE and PCTE+. In Proceedings of the ACM SIG-SOFT/SIGPLAN Software Engineering Symposium on Practical Software Development Environments, Boston, Massachusetts, November 28–30 1988.
3. L.A. Belady and M. M. Lehman. Characteristics of large systems. In Peter Wegner, editor, Research directions in Software Technology. MIT Press, 1979.
4. N. Belkhatir and J. Estublier and W. L. Melo. Adele2: A Support to Large Software Development Process. In Proc. 1st Conference on Software Process (ICSP1), Redondo Beach, CA, October 1991, pages 159–170.
5. Barry W. Boehm. A spiral model of software development and enhancement. IEEE Computer, pages 61–72, May 1988.