[1] P. Hájek: Combining functions in consulting systems and dependence of premisses -- remark. In: Artificial Intelligence and Information-Control Systems of Robots (I. Plander, ed.), North-Holland, Amsterdam 1984.

[2] P. Hájek: Combining functions for certainty factors in consulting systems. Internát. J. Man-Machine Studies 22 (1985), 59-67.

[3] P. Hájek: Towards a probabilistic analysis of MYCIN-like expert systems (working paper). In: COMPSTAT 1988, Physica-Verlag, Heidelberg 1988, pp. 117-122. MR 0982302

[4] P. Hájek, M. Hájková: The consulting system EQUANT -- brief description and user's manual. In: New Enhancements in GUHA Software (P. Hájek, ed.), Preprint No. 8, Math. Inst. ČSAV Prague 1984.

[5] P. Hájek M. Hájková, T. Havránek: EQUANT-87. Apples '88, Dům techniky, České Budějovice 1988, pp. 20-26.

[6] P. Hájek, J. Valdés: Algebraic foundations of uncertainty processing in rule-based expert systems. submitted (also: Preprint No. 28, Math. Inst. ČSAV, 1987).

[7] T. Havránek: An interpretation of Hájek-Valdés results on the Dempster's semigroup. In: AI '88 (V. Mařík, ed.), Ústav pro informační systémy v kultuře, Praha 1988.

[8] T. Havránek, O. Soudský: Using an expert system shell for setting statistical package parameters. Computat. Statist. Quart. 4 (1988), 3, 159-171.