Whitehead, Hal Verhaltensphysiologie, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Lettevall, E., Richter, C., Jaquet, N., Slooten, E., Dawson, S., Whitehead, H., et al. (2002). Social structure and residency in aggregations of male sperm whales. Canadian Journal of Zoology-Revue Canadienne de Zoologie, 80(7), 1189-1196. doi:10.1139/z02-102.