Lukas, Dieter Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
https://uploads.strikinglycdn.com/files/116ea21c-c8f1-4584-9996-3a25ff30181d/DieterLukasThesis.pdf (Publisher version)
Lukas, D. (2008). Comparative study of genetic variation in relation to social structures of animals. PhD Thesis, Universität Leipzig, Leipzig.