"The Air Campaign" by Colonel John Warden, hang on and I will find a link to free PDF.
Chapter 9 The Orchestration of War, simple and short and points out a lot things that are often misunderstood about Warden. One being that he is not Anti-Army he just believes that there are only certain times when it(ground forces) should be the "Key Force" or "Main Effort".
http://www.au.af.mil/au/awc/awcgate/warden/wrdchp09.htm hit the back to contents button for the rest of the book.
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