Symposium sobre yacimien tos de petroleo y gas
Subtitle: XX Congreso Geologico Internacional
By: editado por Eduardo J. Guzman. Tomo 3, America del norte.
Contributors: Guzman, Eduardo J.; International Geological Congress, (20th : 1956 : Mexico City)
Publisher: [Congreso Geolo gico International]
Published: 1956
Place of publication: Me xico
Language: eng
Number of pages: 562
Notes: Text in English and Spanish.