Blake, Stephen Abteilung Wikelski, Radolfzell, Max Planck Institut für Ornithologie, Max Planck Society;
Schuttler, S. G., Blake, S., & Eggert, L. S. (2012). Movement patterns and spatial relationships among African forest elephants. Biotropica, 44(4), 445-448. doi:10.1111/j.1744-7429.2012.00889.x.