1967 – Sequences of Patrick Roussel using “avalement” and pole use, skiing series of moguls

1967 – Sequences of Patrick Roussel using "avalement" and pole use, skiing series of moguls

1967 – Sequences of Patrick Roussel using “avalement” and pole use, skiing series of moguls. Georges Joubert and Jean Vuarnet, How to Ski the New French Way, New York, NY: The Dial Press, Inc., 1967, 64-65