Wave mechanics
By: H.T. Flint; with a preface by O.W. Richardson with 24 diagrams.
Edition: 2nd. ed., rev.
Series: Methuen's monographs on physical subjects
Publisher: Methuen & Co. Ltd.
Published: 1931
Place of publication: London
Number of pages: 131
Subjects: Wave mechanics
Notes: First published January 31st, 1929.  Second edition, revised 1931.

References : p. 128.