1. ACT-NET Consortium. The Active Database Management Systems Manifesto: A Rulebase of ADBMS Features. ACM Sigmod Record 25(30), 40–49 (1996)
2. Bajec, M., Rupnik, R., Krisper, M.: Using Business Rules Technologies To Bridge The Gap Between Business And Business Applications. In: Rechnu, G. (ed.) Proceedings of the IFIP 16th World Computer Congress 2000, Information Technology for Business Management, Beijing, China, pp. 77–85 (2000)
3. Booch, G., Rumbaugh, J., Jacobson, I.: The Unified Modelling Language User Guide. Addison-Wesley, Reading (2000)
4. Business Rules Group. Defining Business Rules ~ What Are They Really? (formerly known as the GUIDE Business Rules Project Final Report, Business Rules Group (3rd Ed.), 2000 (November 1995), (Also URL:) http://www.businessrulesgroup.org
5. Business Rules Solutions homepage, http://www.brsolutions.com