Heady, Patrick Department 'Integration and Conflict', MPI for Social Anthropology, Max Planck Society;
http://www.eth.mpg.de/cms/de/publications/working_papers/wp0158.html (Any fulltext)
Heady, P. (2014). Thinking scientifically about kinship: towards an axiomatic formulation of ethnographic insights. Max Planck Institute for Social Anthropology Working Papers, 158.