QTP Automation Frame work - Start Up - Configuration

http://www.qualitytesting.info/profiles/blogs/qtp-automation-framework

http://qtpfaq.wordpress.com/2007/08/07/automation-frameworks/

http://mercuryquicktestprofessional.blogspot.com/2006/11/whats-your-automation-framework.html 

http://qtp.blogspot.com/2008/10/keyword-driven-framework.html