International stratigraphic guide : a guide to stratigraphic classification, terminology, and procedure - International Union of Geological Sciences. International Subcommission on Stratigraphic Classification; Hedberg, Hollis Dow, 1903- (New York : John Wiley, 1976)
"A Wiley-Interscience publication"
Includes index
Bibliography: p. 111-187
Keywords: Geology, Strtegraphic