1. Phylogenetic and adaptive variation in lizard femoral gland secretions;Alberts;Copeia,1991
2. Die Kernechtrot-Kombinationsfärbung in der Neuroanatomie;Anken;Mikrokosmos,1992
3. A unique case of mating behaviour in a Malagasy tree frog, Gephyromantis liber (Peracca 1893), with observations on the larval development (Amphibia, Ranidae);Blommers-Schlösser;Beaufortia,1975
4. Biosystematics of the Malagasy frogs. I. Mantellinae (Ranidae);Blommers-Schlösser;Beaufortia,1979
5. Amphibiens (première partie);Blommers-Schlösser;Faune de Madagascar,1991