The Ordovician system in Southwestern Europe (France, Spain, Portugal)
Subtitle: correlation chart and explanatory text
By: by Hamman, W., Robardet, M. and Romano, M. ; with the collaboration of Gil, M.D... [et al.] ; [sponsored by the International Subcommission on Ordorician Stratigraphy].
Contributors: Robardet, M.; Romano, M.; Gil, M. D.; International Union of Geological Sciences.
Series: Publication / International Union of Geological Sciences -- no.11
Publisher: IUGS
Published: 1982
Place of publication: [Ottawa, Ont.]
Language: eng
Notes: Folded correlation chart on final page.