Ordovician news /
IUGS Commission on Stratigraphy, Subcommission on Ordivician Stratigraphy.
APA Citation
International Union of Geological Sciences. International Subcommission on Ordovician Stratigraphy. (1983). Ordovician news. Sydney: IUGS Commission on Stratigraphy, Subcommission on Ordivician Stratigraphy.
MLA Citation
International Union of Geological Sciences. International Subcommission on Ordovician Stratigraphy. Ordovician News. Sydney: IUGS Commission on Stratigraphy, Subcommission on Ordivician Stratigraphy, 1983.
Warning: These citations may not always be complete (especially for serials).