This is a placeholder reference for a Event 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 union of geological sciences. International Subcommission on Ordovician Stratigraphy.
This is a placeholder reference for a Organization 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.