Auteur : Ibouroi,M.T. 1 Density Estimates of Two Endangered Nocturnal Lemur Species From Northern Madagascar: New Results and a Comparison of Commonly Used Methods. Titre de la série : American Journal of Primatology. 2012/02/26. Auteurs : Besolo,A. Ibouroi,M.T. Meyler, S.V. Rabarivola,C. Salmona,J.