Refernces
- Patten, Bob 1999 Old Tools — New Eyes: A Primal Primer of Flintknapping. Stone Dagger Publications, Denver.
- Patten, Bob 2005 Peoples of the Flute: A Study in Anthropolithic Forensics. Stone Dagger Publications, Lakewood, CO.
- Whittaker, John C. 2004 American Flintknappers: Stone Age Art in the Age of Computers. University of Texas Press, Austin.