@article{DBLP:journals/sosym/Evermann09, author = {Joerg Evermann}, title = {A UML and OWL description of Bunge's upper-level ontology model}, journal = {Software and System Modeling}, volume = {8}, number = {2}, year = {2009}, pages = {235-249}, ee = {http://dx.doi.org/10.1007/s10270-008-0082-3}, bibsource = {DBLP, http://dblp.uni-trier.de} }