%0 Journal Article %A Stevens, Nathan E. %A McElreath, Richard %+ External Organizations %T When are two tools better than one? Mortars, millingslabs, and the California acorn economy : %G eng %U https://hdl.handle.net/11858/00-001M-0000-0028-432D-3 %R 10.1016/j.jaa.2014.12.002 %D 2015 %* Review method: peer-reviewed %J Journal of Anthropological Archaeology %V 37 %& 100 %P 100 - 111 %I Elsevier %C Amsterdam