Oh!  I'm good then.  Tracey has already spoken  8*)

http://www.rotaryaviation.com/PSRU Zen Part 2.html

I agree with him, for what that's worth.
BTW, I should have put a smiley at the end of my previous message.  It seems a little short, reading it now.

So Ernest, what are you saying, I couldn't get that html to work. I'm guessing your saying, the logic of your choice is in imbedded in that paper?
Always willing to hear another point of view, especially if proven.
George ( down under)