Wave mechanics and the new quantum theory / by Arthur Haas ... Translated from the German edition ("Materiewellen und quantenmechanik") by L.W. Codd ... Haas, Arthur, 1884-1941. Codd, L. W. (Laurence William), 1896- tr. Quantum theory. QC174.1 .H32 530.12 HAW "Literature": p. xvii-xviii. London : Constable, 1928. 1928. 1928 Text xviii, 124 p. : eng engger