In learning this new and exciting topic of GPRS we have used many sources that helped us prepare this site and understand the subject:

http://www.radcom-inc.com/radcom/test/gprs.htm

http://www.cisco.com/warp/public/cc/so/neso/gprs/gprs_wp.htm

http://www.palowireless.com/gprs/tutorials.asp

http://www.gsmworld.com/technology/gprs/intro.shtml

We also used the following technical text books:

GPRS for mobile internet \ Emmanuel Seurre, Patrick Savelli, Jean Pietri - published by Artech house, 2003.

GPRS and 3G Wirless Applications: Professional Developer's Guide \ Christoffer Andersson,published by John Wiley and Sons, 2001.