Grampp, M, Samuni, L, Girard-Buttoz, C, León, J, Zuberbühler, K, Tkaczynski, PJ, Wittig, RM and Crockford, C (2023) Social uncertainty promotes signal complexity during approaches in wild chimpanzees (Pan troglodytes verus) and mangabeys (Cercocebus atys atys). Royal Society Open Science, 10 (11). p. 231073. ISSN 2054-5703

Bründl, AC, Girard-Buttoz, C, Bortolato, T, Samuni, L, Grampp, M, Löhrich, T, Tkaczynski, P, Wittig, RM and Crockford, C (2022) Maternal effects on the development of vocal communication in wild chimpanzees. iScience, 25 (10). p. 105152. ISSN 2589-0042