International Geological Congress (21 1960. Norden)
This is a placeholder reference for a Meeting entity, related to a WorldCat Entity. Over time, these references will be replaced with persistent URIs to VIAF, FAST, WorldCat, and other Linked Data resources.
International Geological Congress (21st : 1960 : Copenhagen, Denmark)
This is a placeholder reference for a Meeting entity, related to a WorldCat Entity. Over time, these references will be replaced with persistent URIs to VIAF, FAST, WorldCat, and other Linked Data resources.