1. Halpin, T., Morgan, T.: Information Modeling and Relational Databases, 2nd edn., March 17. The Morgan Kaufmann Series in Data Management Systems. Morgan Kaufmann (2008) ISBN-10: 0123735688, ISBN-13: 978-0123735683
2. Henry Beitz, E., Buck, N.H., Jorgensen, P.C., Larson, L., Maes, R., Marselos, N.L., Muntz, C., Rabin, J., Reinwald, L.T., Verhelst, M.: A modern appraisal of decision tables, a Codasyl report. ACM, New York (1982)
3. Jarrar, M., Meersman, R.: Formal Ontology Engineering in the DOGMA Approach. In: OTM 2002, pp. 1238–1254 (2002)
4. Lehner, P.E.: Towards an empirical approach to evaluating the knowledge base of an expert system. IEEE Transactions on Systems, Man and Cybernetics 19(4), 643–655 (1989)
5. McCluskey, E.J., Schorr, H.: Minimization of Boolean functions. Bell Syst. Tech. J. 35(5), 1417–1444 (1956)