TY - DATA AU - Jacky Akoka, Mokrane Bouzeghoub, Isabelle Comyn-Wattiau, Elisabeth Metais TI - Conceptual Modeling ER'99 SN - 9783540478669 PY - 1999/// PB - Springer Berlin Heidelberg KW - Computer Science UR - https://doi.org/10.1007/3-540-47866-3 ER -