ebrary, Inc, & McCall, G. S. (2011). Pushing the envelope: Experimental directions in the archaeology of stone tools. Nova Science Publishers, Inc..

ebrary, Inc, and Grant S. McCall. Pushing the Envelope: Experimental Directions in the Archaeology of Stone Tools. New York: Nova Science Publishers, Inc., 2011.

ebrary, Inc, and Grant S. McCall. Pushing the Envelope: Experimental Directions in the Archaeology of Stone Tools. Nova Science Publishers, Inc., 2011.