D. U. , P. Ha-ssalany, L. Qu, and . Oniam, Infographies analytical tools for decision makers, Scientometrics, vol.17, issue.12, pp.61-70, 1989.

G. , Z. Michalewicz, P. Elia, and C. Janikow, Genetie algorithms for drawing directed graphs, Methodologies for intelligent Systems, pp.268-276, 1990.

P. J. Peters and A. F. Van-raan, Structuring scientific activities by co-author analysis, Scientometrics, vol.38, issue.1, pp.235-255, 1991.
DOI : 10.1177/007327537901700202

R. Aing, Veille technologique et bibliomélrie : concepts, outils et applications, Thèse : Aix­ Marseille III, 353 p., 13 janvier, 1993.