Carboniferous and Permian faunas and their occurence in the limnic basins of the Czech Republic /

Autor Štamberg, Stanislav, 1949-, Zajíc, Jaroslav, 1954-
Vydáno 2008

Permian elements in the fossil flora of the Appalachian province. II. Valchia /

Autor Darrah, William C. 1909-1989
Vydáno 1936

Studies on the Alethopterids of the Permocarboniferouc of Central Bohemia (with remarks on forms collected in other Bohemian coaldistricts) /

Autor Němejc, František, 1901-1976
Vydáno 1936

The Phosphoria, Park City and Shedhorn formations in the western phosphate field : geology of permian rocks in the western phosphate field /

Autor MacKelvey, Vincent Ellis, Williams, James Steele, 1896-1957, Sheldon, Richard P., Cressman, Earle Rupert, 1923-, Cheney, T. M., Swanson, R. W.
Vydáno 1959

Biostratigraphy of the Phosphoria, Park City and Shedhorn Formations : geology of permian rocks in the western phosphate field

Autor Yochelson, Ellis L. 1928-2006, Van Sickle, Dianne H.
Vydáno 1968

Geology and phosphate deposits of the Permian rocks in central western Montana /

Autor Swanson, Roger Warren, 1914-
Vydáno 1973

Mineral resources in Permian rocks of southwest Montana /

Autor Swanson, Roger Warren, 1914-
Vydáno 1970

Stratigraphy and petrology of the Permian rocks of southwestern Montana /

Autor Cressman, Earle Rupert, 1923-, Swanson, Roger W.
Vydáno 1964

Physical stratigraphy and mineral resources of Permian rocks in western Wyoming /

Autor Sheldon, Richard P.
Vydáno 1963

Geology of part of the Horseshoe Atoll in Scurry and Kent Counties, Texas /

Autor Stafford, Philip T.
Vydáno 1959

Stratigraphy of Outcropping Permian rocks in parts of northeastern Arizona and adjacent areas /

Autor Read, C. B., 1907-1979, Wanek, A. A.
Vydáno 1961

Paleotectonic investigations of the Permian system in the United States /

Autor McKee, Edwin Dinwiddie, 1906-, Oriel, Steven S., 1923-
Vydáno 1967