1. Ansi/X3/Sparc (1975). Final report on data Base Management systems.
2. Bennett, J.S., and C.R. Hollander (1981). DART an expert-system for computer fault diagnosis. Proc. VIIth Int. joint Conf. Artif. Intel., pp. 843–845
3. DENDRAL and META DENDRAL: their applications dimension;Buchanan;Artificial Intelligence,1978
4. A relational model of data for large shared data banks;Codd;Com. A.C.M.,1970
5. Système, structure, fonction, évolution. - essai d' analyse épistémologique;Delattre,1971