Glascock, Michael D.; Speakman, Robert Jeff(Texas Department of Transportation, Environmental Affairs Division, Archeological Studies Program Report No. 110, 2008)
Kuzmin, Yaroslav V.; Speakman, Robert Jeff; Glascock, Michael D.; Popov, Vladimir K.; Grebennikov, Andrei V.; Dikova, Margarita A.; Ptashinsky, Andrei V.(2008)
Yancy, Haile F.; Fry, S. F.; Randolph, S. C.; Deeds, J.; Ivanova, Natalia V.; Grainger, C. M.; Hanner, R.; Weigt, Lee A.; Driskell, Amy; Hunt, Jeffrey; Ormos, Andrea; Hebert, P. D. N.(2008)