Actas y trabajos de las reuniones celebradas en Mexico en 1956.
Contributors: International Geological Congress (20th : 1956 : Mexico City, Mexico)
Published: 1959
Place of publication: Mexico
Language: spa
Number of pages: 494
Subjects: Geology -- Africa, Central
Notes: At head of title: Congreso Geologico International.  XXe sesión, Ciudad de México, 1956.

Includes bibliographical references.