Considering the fast-growing of the number of Web sites, the question of the freedom to create links between sites arises in an increasingly acute way. This freedom, even if it remains the rule, is submitted to restrictions due to the rights of the authors of target sites.
HAAS, G. and DE TISSOT, O. (2000). Les liens hypertextes sous le régime de la liberté contrôlée. Les Annonces de la Seine, pp. 1-3.