One thousand metres down
By: [by] Jean Cadoux and others. With a pref. by André Bourgin. Translated by R. L. G. Irving.
Contributors: Cadoux, Jean, 1930-
Publisher: G. Allen & Unwin
Published: 1957
Place of publication: London
Language: eng
Number of pages: 178
Subjects: Caves -- France -- Sassenage.; Gouffre Berger.
Notes: Translation of Opération-1000.