Kalibatienė, D., and O. Vasilecas. “Ontology Axioms for the Implementation of Business Rules / Ontologija grindžiamas Verslo Taisyklių Modeliavimas”. Technological and Economic Development of Economy, vol. 16, no. 3, Sept. 2010, pp. 471-86, doi:10.3846/tede.2010.29.