Programa /
Congreso Geológico Internacional, XXa. sesión, México, 1956
APA Citation
International Geological Congress. (20th : 1956 : México City). (1956). Programa. México: The Congress.
MLA Citation
International Geological Congress. (20th : 1956 : México City). Programa. México: The Congress, 1956.
Warning: These citations may not always be complete (especially for serials).