My swaption model referenced on Bloomberg

There was a time when my Black Commodity model version of swaption pricing was used on Bloomberg but "applied liberally" as they said. 

It basically worked but you should not try to fly a spaceship to the moon with it. 

The Financial Analyst Journal 1991

Three articles combined for a new book available on Amazon: A Simplified Method for pricing Interest Rate Swaps and Swaptions by David Smith