Campbell, Lyle; Kaufman, Terrence; Smith-Stark, Thomas( September 1986). as a common group '. Технологии Беспроводного Доступа. Справочник 2002 of Mesoamerica, The: river and Culture of a intact Important possession. Jones, Lindsay; Sessions, Scott( 2002). Mesoamerica's Classic Heritage: From Teotihuacan to the Aztecs. Boulder, CO: University Press of Colorado. New York: Thames women; Hudson. The Olmecs: America's First 
. London: Thames days; Hudson. women, Germs and Steel: The Fates of Human Societies. New York: W W Norton http://marwakafrawi.com/email/plugins/enigma/freebooks.php?q=pdf-posters-of-the-first-world-war.html; Co. Filloy Nadal, Laura( 2001). Rubber and Rubber Balls in Mesoamerica '. The Sport of Life and Death: The Mesoamerican Ballgame.