S. Ceri, E. Valle, D. Pedreschi, and R. Trasarti. Conceptual Modeling, volume 7532 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2012)
C. Hedeler, and N. Paton. Advances in Databases, volume 7051 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 10.1007/978-3-642-24577-0_11.(2011)