Citation:
Speakman, Robert Jeff, Glascock, Michael D., Popov, Vladimir K., Kuzmin, Yaroslav V., Ptashinsky, Andrei V., and Grebennikov, Andrei V. 2005. "Geochemistry of Volcanic Glasses and Sources of Archaeological Obsidian on the Kamchatka Peninsula (Russian Far East): First Results." Current Research in the Pleistocene. 22:11–13.