Guide[s] to excursion[s.
Contributors: International Geological Congress (23rd : 1968 : Prague, Czechoslovakia)
Published: 1967
Place of publication: v. p
Language: eng
Number of pages: 51
Subjects: Geology -- Europe, Central -- Guidebooks.
Notes: Includes bibliographical references.
At head of title: International Geological Congress, XXIII Session, Prague, 1968.