The Ordovican system in Australia, New Zealand and Antarctica
Subtitle: correlation chart and explanatory notes
By: by B.D. Webby... [et al.]; compiled and edited by B.D. Webby.
Contributors: Webby, B. D.; International Subcommission on Ordovician Stratigraphy.; International Union of Geological Sciences.
Series: Publication / International Union of Geological Sciences -- 6
Publisher: IUGS
Published: 1981
Place of publication: Paris
Language: eng
Notes: Sponsored by the International Subcommission on Ordovician Stratigraphy.

2 fold. maps in end pocket.