1. De hamster (Cricetus cricetus L. 1758) : : ecologie, beleid en bescherming van de hamster en zijn biotoop = The hamster : ecology, policy and management of the hamster and its biotope = Der Feldhamster : Hamster- und Biotop-Management, Ökologie und Politik : proceedings of the 10th meeting of the International Hamsterworkgroup, October 12-14, 2002, Tongeren / / S. Mercelis, A. Kayser & G. Verbeylen (eds).