[1] Matthew A. Telles, Yuan Hsieh. The Science of Debugging. 2001, The Coriolis Group.

[2] Darren Gergle, Tom Brinck, Scott D. Wood. Usability for the Web: Designing web sites that work. 2002, Academic Press.

[3] Morning Digital Design Oy. 2004, WWW-document. http://www.morning.fi/en/

[4] Steve Maguire. Writing Solid Code. 1993, Microsoft Press.

[5] Jakob Nielsen. Designing Web Usability: The Practice of Simplicity. 2000, New Riders Publishing.

[6] Joel Spolsky. Painless Bug Tracking. 2000, WWW-document. http://www.joelonsoftware.com/articles/fog0000000029.html

[7] Free Software Foundation. Free Software Directory. WWW-document. http://www.gnu.org/directory/devel/debug/Bug_tracking_systems/

[8] Free Software Foundation. General Public License. 1991, WWW-document. http://www.gnu.org/licenses/gpl.html

[9] The Mozilla Organization. WWW-document. http://www.mozilla.org/download.html

[10] The Internet Engineering Task Force. Overview of the IETF, WWW-document. http://www.ietf.org/overview.html

[11] Mark Pilgrim. What is RSS. 2002, WWW-document. http://www.xml.com/pub/a/2002/12/18/dive-into-xml.html

[12] Mark Nottingham. RSS tutorial for Content Publishers and Webmasters. 2002, WWW-document. http://www.mnot.net/rss/tutorial/

[13] Thomas J. Shelford, Gregory A. Remillard, Michael Smith. Real Web Project management. 2003, Addison-Wesley.

[14] TechTarget. Cookie definition. WWW-document. http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci211838,00.html