|
Elias |
1952 |
New data on Dinantian-Namurian equivalents in America.
Compte Rendu, Congrès International de Stratigraphie et de Géologie Carbonifère., 3, Heerlen 1951, 1: 189-201, fig.1-2; Heerlen.
|
|
|
Elias |
1956 |
Upper Mississippian and Lower Pennsylvanian Formations of south-central Oklahoma. In: Petroleum geology of southern Oklahoma. Volume 1.
American Association of Petroleum Geologists, 1956: 56-134, 2 fig., 4 tab., 6 pl.; Tulsa, Okla.
|
|
|
Gordon |
1965 |
Carboniferous Cephalopods of Arkansas.
Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].
|