In reply to wout:
It sounds to me like the information you are looking for would be found in a book about mountaineering skills (e.g. glacier travel, abseil techniques, etc), albeit without specific references to skiing.
BTW, braking in a no fall zone without an axe? First of all, by definition, you shouldn't fall in a no fall zone, and if you are in a no fall zone, then why haven't you got an axe to hand, and descending accordingly? What technique do you think may exist to stop you if you do fall? A mate once went on a steep skiing course, and was repeatedly told not to fall under any circumstance. He had worked that out prior to going on the course, so felt that paying a wad of cash to be shouted at by a Frenchman all week wasn't the best use of his time or money.