Braunschweig, Vieweg & Sohn, 1921. Contemp. hcloth. In: "Zeitschrift für Physik. Unter Redaktion von Karl Scheel.", 4. Bd., pp. 451-468 and pp. 469-471. The whole volume offered. IV,476 pp.
First printing of the first step towards the formulation of a quantum-theoretic interpretation of dispersion (the Ladenburg-Equation). Ladenburg's results were later (1924) generalized by Kramers in his "The Law of dispersion and Bohr's Theory of Spectra.".
Order-nr.: 39302