The mineral industry of the British Empire and foreign countries
Subtitle: War period.  Mica  (1913-1919.)
Publisher: Printed and pub. by H. M. Stationery Off.
Published: 1922
Place of publication: London
Language: eng
Number of pages: 32
Subjects: Mica
Notes: At head of title:  Imperial Mineral Resources Bureau.

"References to technical literature":  p. 30-32.