Berlin, Springer, 1938 & 1939. 8vo. In contemporary halv cloth with gilt lettering to spine. In "Zeitschrift für Physik", Bd. 111, 1938 & 1939.. Entire volume offered. Stamp to front free end-paper and titlepage, otherwise fine and clean. Pp. 399-408. [Entire volume: IV, 794 pp.].
First printing.
Order-nr.: 49463