It was written by Bob Wheeler, not Bum Phillips.
Who is Bob Wheeler? And how do you know, if you don't mind my asking? If you're sure, it's nice to have the truth.
BTW, while looking for Mr. Wheeler, I ran across this page. It has a lot of "Texas" links that look interesting.
No Place But Texas
http://cyberrodeo.com/range/range15f43.htm