1. Hull, R., King, R.: Semantic database modeling: Survey, applications, and research issues. ACM Comput. Surv. 19(3), 201–260 (1987)
2. Peckham, J., Maryanski, F.J.: Semantic data models. ACM Comput. Surv. 20(3), 153–189 (1988)
3. Atkinson, M.P., Bancilhon, F., De Witt, D.J., Dittrich, K.R., Maier, D., Zdonik, S.B.: The object-oriented database system manifesto. In: Proceedings of SIGMOD, Atlantic City, NJ
4. Ghelli, A.A.G., Orsini, R.: A relationship mechanism for a strongly typed object-oriented database programming language. In: Proceedings of VLDB, Barcelona, Catalonia, Spain, September 1991, pp. 565–575 (1991)
5. Abiteboul, S., Bonner, A.: Objects and views. In: Proceedings of ACM SIGMOD, Denver, Colorado, May 1991, pp. 238–247 (1991)