Q. L. Boutin-e, R. H. , and D. H. , « A new approach to display real coauthorship and co-topicship through network mapping, Acte du colloque « Fifth International Conference on scientometrics & informetrics, pp.7-10, 1995.

G. L. Michalewicz-z, E. P. Et, and J. C. , Genetic algorithms for drawing directed graphs », Methodologies for intelligent Systems, pp.268-276, 1990.

W. H. Mc and C. K. , « bibliometrics », Annual review of information, Science and Technology (ARIST), vol.24, pp.119-186, 1989.