1. Basili, V.R. and Turner, A.J., Iterative Enhancement: a Practical Technique for Software Development, IEEE Transactions on Software Engineering, SE-1, (4), (1975) 390–396
2. Boehm, B.W., A Spiral Model of Software Development and Enhancement, IEEE Computer, No. 21, (1988) 61–72
3. Conway, R.W., Maxwell, W.L., and Miller, L.W.: Theory of Scheduling, Addison-Wesley Publishing Company, (1967)
4. Curbs, B., Hefley, W. and Miller, S., People Capability Maturity Model (CMU/SEI-95MM-02), Pittsburgh,PA: Software Engineering Institute, Carnegie Melton University, 1995.
5. Dowson, M., Software Process Themes and Issues, Proceedings of the 2nd International Conference of the Software Process: Continuous Software Process Improvement, Berlin, Germany, (1993) 54–62