1. Bunge, M.: The Philosophy of Science. Transaction Publishers (1998) ISBN 0-7658-0415-8
2. Chen, P.P.: The Entity-Relationship Model: Toward a unified view of data. ACM TODS 1(1), 9–36 (1976)
3. Krogstie, J., Opdahl, A.L., Brinkkemper, S. (eds.): Conceptual Modeling in Information Systems Engineering. Springer, Heidelberg (2007) ISBN 978-3-540-72676-0
4. Lehman, M.M.: Programs, life cycles, and laws of software evolution. Proceedings of the IEEE, 1060–1076 (September 1980)
5. Nurcan, S., Salinesi, C., Souveyet, C., Ralyté, J. (eds.): Intentional Perspectives on Information Systems Engineering. Springer, Heidelberg (2010) ISBN 978-3-642-12543-0