Author : Ibouroi, M.T. 1 Density estimates of two endangered nocturnal lemur species from northern Madagascar: New results and a comparison of commonly used methods Serial title : American Journal of Primatology 2012 Authors : Besolo, A. CHIKHI, L. Ibouroi, M.T. Meyler, S.V. Rabarivola, C. Radespiel, U. Rasolondraibe, E. SALMONA, J.