Author Gurven, Michael, Jonathan Stieglitz, Hillard Kaplan, Jeffrey Winking Edition Evolution and Human Behavior, 33: 438-448. 2012. Year Sun, 01/01/2012 - 12:00 Document Gurven 1.pdf234.76 KB Theme/s Biodemography and Evolution Families, Gender, and Work Families, Gender, and Work Broom Author Michael Gurven