V. Presutti, и A. Gangemi. ER '08: Proceedings of the 27th International Conference on Conceptual Modeling, стр. 128--141. Berlin, Heidelberg, Springer-Verlag, (2008)
V. Presutti, и A. Gangemi. ER '08: Proceedings of the 27th International Conference on Conceptual Modeling, стр. 128--141. Berlin, Heidelberg, Springer-Verlag, (2008)