A provisional radiolaria biostratigraphy, late Devonian through late Permian
By: by Brian K. Holdsworth and David L. Jones ; United States Department of the Interior, Geological Survey
Contributors: Jones, David Lawrence, 1930-; Geological Survey (U.S.)
Series: Open-file report -- 80-876; Open-file report (Geological Survey (U.S.)) -- 80-876
Publisher: The Survey
Published: 1980
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geology, Stratigraphic -- Permian
Notes: "September 1980."

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 2 microfiches ; 11 x 15 cm

Bibliography: p. 27-28