Malcolm P. Atkinson, François Bancilhon, David J. DeWitt, Klaus R. Dittrich, David Maier, Stanley B. Zdonik: "The Object-Oriented Database System Manifesto" pp3-20

Dittrich, K.; Dayal, U.; Buchmann, A. (1991) Dittrich, K.; Dayal, U.; Buchmann, A. (eds.): On Object-Oriented Database Systems. Topics in Information Systems LNCS 334, Springer-Verlag, 1988  

Languages mentioned O {1986} Object oriented database querying system O2 {1988} Object-oriented database language