1. Aksit, M. & Bergmans, L. (1992), “Obstacles in Object-Oriented Software Development.” ACM SICPLAN Notices, vol. 27, no. 10, pp. 341–358.
2. Basili, V., Briand, L. and Melo, W. (1996), “How Reuse Influences Productivity in Object-Oriented Systems. Communications of the ACM, no. 10, pp. 105–116.
3. Booch, G. (1994), Object Oriented Analysis and Design with Applications, Benjamin-Cummings Publishing Company.
4. Champeaux de, D., Lea, D. & Faure, P. (1993), Object-Oriented System Development, Addison-Wesley Publishing Company.
5. Cockburn, A. (1993): The Impact of Object-Orientation on Application Development. IBM Systems Journal, No. 3, pp. 420–444.