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Sources

• Archaeology Wordsmith. "Assemblage." (Accessed January 31, 2011) http://www.archaeologywordsmith.com/lookup.php?category=&where=headword&terms=assemblage
• Callaway, Ewen. "Early human migration written in stone tools." Nature News. January 27, 2011. (Accessed January 31, 2011)http://www.nature.com/news/2011/110127/full/news.2011.55.html
• Harmon, Katherine. "Middle Eastern Stone Age tools mark earlier date for human migration out of Africa." Scientific American. January 27, 2011. (Accessed January 31, 2011) http://www.scientificamerican.com/article.cfm?id=middle-eastern-stone-age-tools&page=2
• Hawks, John. "Jebel Faya and early-state reduction." John Hawks Weblog. January 29, 2011. http://johnhawks.net/weblog/reviews/archaeology/middle/jebel-faya-2011.html
• Johanson, Donald. "Origins of modern humans: multiregional or out of Africa?" Action Bioscience. 2001. (Accessed January 31, 2011)   http://www.actionbioscience.org/evolution/johanson.html
• Krock, Lexi. "Stone age toolkit." Nova. March 1, 2009. (Accessed January 31, 2011)http://www.pbs.org/wgbh/nova/ancient/stone-age-toolkit.html
• Smithsonian National Museum of Natural History. "Early stone age tools." (Accessed January 31, 2011) http://humanorigins.si.edu/evidence/behavior/tools/early-tools
• Switek, Brian. "Ancient tools may mark earlier path out of Africa." Wired. January 27, 2011.                                                          http://www.wired.com/wiredscience/2011/01/new-out-of-africa/
• U.S. Geological Service. "What is luminescence dating?" October 28, 2010. (Accessed January 31, 2011)http://crustal.usgs.gov/laboratories/luminescence_dating/what_is_tl.html