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Sources of Obsidian from El Mirador, Guatemala: New Evidence on Preclassic Maya Interaction
William R. Fowler, Jr., Arthur A. Demarest, Helen V. Michel, Frank Asaro and Fred Stross
New Series, Vol. 91, No. 1 (Mar., 1989), pp. 158-168
Stable URL: http://www.jstor.org/stable/679745
Page Count: 11