1. Abiteboul S. Towards a deductive object-oriented database language. DOOD'89, 1989, p. 419–438.
2. Abrial J.R. A formal approach to large software construction. In Mathematics of program construction, Proceedings of the International Conference, LNCS 375, Springer-Verlag, 1989.
3. Atkinson M., et.al. The object-oriented database system manifesto. DOOD'89, 1989, p. 40–57.
4. Basarab N.A., Lisovsky M.S., Gubsky B.V. An interactive information system for table data structures processing. Control automation and mechanization journal, N. 2, 1986, p. 33–36. (In Russian)
5. Basarab I.A., Nikitchenko N.S., Red'ko V.N. Composition databases. Kiev, Lybid' Publ, 1992, p. 192. (In Russian)