1. S. Alter, Information Systems: A Management Perspective, Benjamin/Cummings, New York, NY, 1996.
2. T.J. Beckman, The current state of knowledge management, in: J. Liebowitz (Ed.), Knowledge Management Handbook, CRC Press, Boca Raton, FL, 1999, pp. 1.1–1.22.
3. Managing the knowledge life cycle;Birkinshaw;MIT Sloan Management Review,2002
4. Building knowledge—creating value networks;Buchel;European Management Journal,2002
5. The entity-relationship model—toward a unified view of data;Chen;ACM Transactions on Database Systems,1976