1. View Controller Programming Guide - http://developer.apple.com/iphone/library/featuredarticles/ViewControllerPGforiPhoneOS/Introduction/Introduction.html
2. UC report
3. Interface Builder User Guide - http://developer.apple.com/iphone/library/documentation/DeveloperTools/Conceptual/IB_UserGuide/EditingNibFileObjects/EditingNibFileObjects.html#//apple_ref/doc/uid/TP40005344-CH12-SW19