Since 1985, the number of students has grown and their social origins have diversified. University libraries have had to adapt to new patterns of behaviour. Round about 1990, the reading and information retrieval practices of students became legitimate subjects of study. These have seen a renewal of interest since 2000, with the introduction of a new plan to improve universities. What kind of information do these new user surveys reveal? An insert presents the results of a survey undertaken by the Paris X university library.