1-Ackleson,J.,2003,security through Technology?Smart Border After September 11th, “Knowledge,Technology &policy 16 (1).
2- Ackleson,J.,2004,Constructing Security on the U.S.-Mexico Border,”Political Geography (2) 24.
3- Ackleson,J.,2005,Fencing is Failure:Effective Border Control is not Achieved By Building More Fences,Policy In Focus.”Immigration (2) 14.
4- Andreas,D.,2003,Border Security in the age of globalization,”Regional Review”,q3.
5-Coleman,M.,2002,Thinking about the World Banks Accordion Geography of financial golbalization,”political geography (4) 21.
6- Coleman,M, 2003,The Naming of Terrorism and Evil Outlaws,Geopolitics,8(3)
7-Coleman,M.,2004,U.S. Statecraft and the U.S-Mexico border as security/economy nexus,political geography 24(2).
8-Ferguson,H.A,2004,Protection and Defense of Critical Infrastructure:Canada/U.S Cooperation.INTERNET.
9- Cilbert,E.,2005,Inevitability of Integration,”Annals of The Association of American Geographer (1) 95.
10-Gomm,J.,2005,Can biometrics move beyond borders?:www.CNET.com.
11- Grayson,G.,2006,Mexico s southern Flank:the Third U.S Border, “orbis (1) 50.
12-Huglund,D.G,North American Cooperation in an Era of Homeland Security,2003,Orbis,47(4).
13- Kouri,J.,2005,U.S costoms and/Bility Protection Addresses VUINERA ,www.MICNEWS.COM.
14-Laflamme-lisa,2004:www.ct.ca.
15-Morahan,l.,2001,Border up at us-Canada security Beef,CNS news.com
16- Nevins,J.,(2002).Operation gatekeeper,Routledge,London.
17-Nayar,P.,Patrick,O.,Gerard,D.,2005 Book Review,”Political Geography(4) 24.
18- Newman,J.and passi,A.,1998,Fences and Neighbors in the Postmodern World,”Progress in Human geography 22.
19- Newsletter,2003, Biometric Technologies Committee-Government-Internet.
20- Office of The President of United States,2002,Internet.
21- Peterson,E.,2005,Book review,”Political geography (8) 24.
22- The National Strategy for Homeland Security,2005,Internet.
23- Thomas,R.,2005,Biometrics,Migrants, and Human Rights, Migration Information source,Internet.
24- Ting,J.C.,2005,Immigration and National Security,”orbis(1) 50.
25- USATODAY/2/22/2005,Hall,m.
26- U.S department of Homland Security,2004.
27-Werner,2005, Congressman proposes Fencing U.S-Mexico border, Border Trade Alliance:www.BTA.Org.
28- www.Sfgate.com:March 22,2002,Bush calls for fast Lanes With Mexico.
29-www.Sfgate.com:space Daily,2004.