1993 — Eco-Ethological, Demographic and Genetic Survey of Three Populations of Eulemur Macaco Macaco<em> in Nortwestern Madagascar. International Ethological Conference, Torremolinos, Espagne (Abstract) , ,
, 1993 — Vergleichende untersuschungen des DNA fingerprint-musters von 3 verschiedenen Eulemur macaco populationen. Deutsche Gesellschaft fur Primatologie, Tubingen, Allemagne (abstract). , ,
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