Sources Of Information

Greek Mobile Telecoms' data
(http://www.myphone.gr/library/article-16.html)

China Mobile subscriber numbers
(http://www.chinamobilehk.com/investor_relations.htm)

T-Mobile company data (http://www.t-mobile.net/CDA/about_t-mobile,2,0,,en.html?w=1088&h=733)

Verizon company data
(http://www.verizonwireless.com/b2c/aboutUs/index.jsp)

Cingular company data
(http://cingular.com/about/company_overview)

AT&T Wireless company data
(http://www.attws.com/our_company/)

Sprint PCS company data
(http://www.sprint.com/sprint/fastfacts/overview/)

Nextel company data
(http://nextel.com/about/corporateinfo/profile.shtml)

T-Mobile USA company data
(http://www.t-mobile.com/company/about/quickfacts.asp)

Orange Statistics
(http://www.orange.com/English/aboutorange/whereweare.asp?UID=#)

O2 Data
(http://www.mmo2.com/media/pr_040721a.asp)

3UK data
(http://www.3g.co.uk/PR/October2004/8451.htm)

Mobile TeleSystems data
(http://www.company.mtsgsm.com/ir/2005-01-12-0015/)

Turkcell company data
(http://www.turkcell.com.tr/index/0,1028,69300,00.html)