Developed by who many pro's consider "The Master" coach, the ledgendary Swiss coach Paul Koechli. Lemond and Hinualt call him"The Master" to this day as do many young pros!
Here's a quote from well know US pro and coach Adam Myerson.
"I'm using a power and heart-rate analysis software that Paul has created, and plan to meet with him this summer in Switzerland to hopefully learn as much as I can from him. I consider him the master."
My guess is this post will be deleated soon take a look fast.
Ti