It's possible that Stetson might be 'brown bread' by now!
I reckon that PDF must be around 20 years old at least.
I tried to attatch a copy but it's not having it.
Shoot me a PM if you would like a copy. But basically it is just to continually raise 1 unit on a win or loss and reset back to 1 unit when you are in front.
Thinking about it sensibly....It can't be right betting sometimes 50%+ of your bankroll on the one decision.