Necessary Dynamics CRM Link

http://dynamicscrm2011.wordpress.com/tag/crm-2011-add-button-ribbon/
http://dynamicscrm2011.wordpress.com/tag/adding-a-tab-to-the-existing-ribbon/
http://msdn.microsoft.com/en-us/library/gg334341.aspx
http://gotcrm.blogspot.com/2012/12/business-intelligence-for-crm-2011-data.html