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In: European population: Démographie européenne, Jg. vol. 2: Dynamiques démographiques, S. 509-5251993
The preprojective algebra of a modulated graph
In: Representation Theory II. Proceedings of the Second International Conference on Representations of Algebras, Ottawa, Carleton University, August 13-25, 1979: No. 2, Jg. 832, S. 216-2311980
Prevention and intervention in the analytical perspective of guidance
In: Social intervention: potential and constraints, Jg. 1, S. 3-201987
A problem-independent control algorithm for image understanding
In: 11th International Conference on Pattern Recognition: proceedings, Jg. vol. 1, S. 297-3011992

Programming languages and opportunities they offer to the statistical community
In: Proceedings of the 1st [First] World Congress of the Bernoulli Society: Tashkent, USSR, 8-14 September 1986, Jg. vol. 1: Probability theory and applications, S. 779-7921986
Prosopography and the computer : problems and possibilities
In: History and computing, Jg. 2, S. 12-181989


