@article{Borgerhoff Mulder2007, author = {Borgerhoff Mulder, M.}, title= {Hamilton’s rule and kin competition: The Kipsigis case}, year = {2007}, doi = {10.1016/j.evolhumbehav.2007.05.009}, URL = {https://doi.org/doi:10.1016/j.evolhumbehav.2007.05.009}, volume = {28}, number = {5}, pages = {299‒312}, }