Lexique Stratigraphique international.
By: par Jacques Sornay avec le collaboration deP. Rat et A. Pascal.
Contributors: Sornay, Jacques.
Publisher: Centre National de la Recherche Scientifique
Published: 1977
Place of publication: Paris
Language: fre
Number of pages: 194
Notes: At head of title = Union internationale des sciences ge ologiques.

Forms part of the work of the 20th International Geological Congress, Mexico, 1956.