Sources
Webpages:
“Hvenær komu menn fyrst til Ameríku?” Lifandi Vísindi (in Icelandic) http://visindi.is/grein/hvenaer_komu_menn_til_ameriku (Last visited: 7/2/13)
Emma Woollacott (2012) “Did comet wipe out Clovis culture?” TGDaily http://www.tgdaily.com/general-sciences-features/66263-did-comet-wipe-out-clovis-culture (Last visited 7/2/13)
K. Kris Hirst (2012) “The (Pre) History of Clovis” About.com/Archaeology http://archaeology.about.com/od/clovispreclovis/qt/clovis_people.htm (Last visited 7/2/13)
David Keys (2012) “New evidence suggests Stone Age hunters from Europe discovered America” The Indipendent
http://www.independent.co.uk/news/world/americas/new-evidence-suggests-stone-age-hunters-from-europe-discovered-america-7447152.html
(Last visited 7/2/13)
Dr. Michael K. Faught “Underwater archaeology, Paleoindian origins, and histories of settlement” TGDaily http://www.tgdaily.com/general-sciences-features/66263-did-comet-wipe-out-clovis-culture (Last visited 7/2/13)
Dr. Michael K. Faught (2012) “Underwater archaeology, Paleoindian origins, and histories of settlement” Florida Museum of national history http://www.flmnh.ufl.edu/natsci/vertpaleo/aucilla11_1/uw.htm (Last visited 7/2/13)
(2013) “Frequently Asked Questions” Bureau of Indian Affairs http://www.bia.gov/FAQs/index.htm (Last visited 7/2/13)
David Reich (2012) “Mystery of Native Americans’ arrival” Harvard Science http://news.harvard.edu/gazette/story/2012/07/mystery-of-native-americans-arrival/ (Last visited 7/2/13)
(2009) “First Americans Arrived As Two Separate Migrations, According To New Genetic Evidence” Science Daily http://www.sciencedaily.com/releases/2009/01/090108121618.htm
(Last visited 7/2/13)
Jonathan Amos (2011) “Old American theory is 'speared'” BBC News Science and Enviroment http://www.bbc.co.uk/news/science-environment-15391388
(Last visited 7/2/13)
(2012) “Americas 'settled in three waves” BBC News Science and Enviroment http://www.bbc.co.uk/news/science-environment-18770963
(Last visited 7/2/13)
Professor Emeritus David K. Jordan (2006) “Prehistoric Beringia - A Beginner's Guide to the Homeland of the Peoples of the Americas” Jordan http://www.anthro.ucsd.edu/~dkjordan/index.html (Last visited 7/2/13)
Stefan Lovgren (2008) “Americas Settled 15,000 Years Ago, Study Says” National Geographic News http://news.nationalgeographic.com/news/2008/03/080313-first-americans.html (Last visited 7/2/13)
Books:
Spencer Wells (2006). The Journey of Man: A Genetic Odyssey. New Jersey: Princeton University Press. pp. 138-139
Norman Herz (1998). Geological Methods for Archaeology. New York: Oxford University Press. pp. 125-127