Brumm, Henrik Forschungsgruppe Brumm, Max Planck Institut für Ornithologie, Max Planck Society;
Brumm, H., Lachlan, R. F., Riebel, K., & Slater, P. J. B. (2009). On the function of song type repertoires: testing the 'antiexhaustion hypothesis' in chaffinches. Animal Behaviour, 77(1), 37-42. doi:10.1016/j.anbehav.2008.09.009.