Extracting Pearls from Other People's Brains: The Art of Interviewing
http://www.whitepapersource.com/writing/artofinterviewing.html

Stelzner, Michael A.
WhitePaperSource
2006

Abstract:

Perhaps one of the bigger challenges faced by white paper writers is coming up with good content. The default course of action is to do a Google search. While this approach can yield valuable information, the best pearls reside inside someone else's head.