Internal world of gemstones
Subtitle: documents from space and time
By: E. Gübelin ; (translated from the German).
Edition: 2nd ed.
Publisher: Newnes-Butterworths
Published: 1979
Place of publication: London
Language: eng
Number of pages: 234
Subjects: Precious stones.
Notes: Previous ed. of this translation, Zürich , ABC Edition, 1974. - Translation of, 'Innenwelt der Edelsteine'. Zürich , ABC-Verlag, 1973.

Bibliography, p.233-234.