Auteur : RAJAONARIVELO, Norbert. 1 Preliminary study of the hent's goshawk on Masoala peninsula. Titre de la série : Madagascar wetlands conservation project Developing Community-based Conservation in a proposed Wetland Biosphere Reserve in Madagascar. Progress report III, 1995-1996. 1997. Auteurs : LADOANY, Eugène. RAJAONARIVELO, Norbert. RENE DE ROLAND, Lily-Arison.