Preliminary report on biostratigraphic units
By: Hollis D. Hedberg, editor.
Contributors: Hedberg, Hollis D.; International Geological Congress, (24th : 1972 : Montreal)
Series: Report / International Subcommission onStratigraphic Classification -- no.5; Report (International Subcommission on Stratigraphic Classification) -- no.5.
Publisher: 24th International Geological Congress
Published: 1971
Place of publication: Montreal
Language: eng
Work titles: International guide to stratigraphic classification, terminology and usage