Tracing social interactions in Pleistocene North America via 3D model analysis of stone tool asymmetry Sholts, Sabrina B. ; Gingerich, Joseph A. M. ; Schlager, Stefan ; Stanford, Dennis J. ; Wärmländer, Sebastian K. T. S. Abstract Publication: PLoS ONE Pub Date: July 2017 DOI: 10.1371/journal.pone.0179933 Bibcode: 2017PLoSO..1279933S