P., Hermann, 1930; un volume in 8, broché (petit manque de papier dans l'angle sup. du premier de couverture et au dos), (2), 1 portrait, 81pp.
---- EDITION ORIGINALE ---- "L. De Broglie established that all subatomic particles can be described either by particle equations or by wave equations thus laying the foundations of wave mechanics. He was awarded the 1929 Nobel Prize for Physics". (Hutchinson)**1585/M4