Light for students
By: by Edwin Edser ; with an appendix by N.M. Bligh.
Contributors: Bligh, N. M.
Edition: Revised edition.
Publisher: Macmillan and co., limited
Published: 1931
Place of publication: London
Language: eng
Number of pages: 591
Notes: First edition 1902.

"Answers to questions": p.585-586.