por Dott, Robert H, 1929- [editor] | Shaver, Robert Harold, 1922 [editor].
por Anderson, Thomas F [colaborador] | Arthur, Michael A [editor] | Society of Economic Paleontologists and Mineralogists.
por Harms, J. C [autor] | Walker, R. G [autor] | Southard, J. B [autor] | Society of Economic Paleontologists and Mineralogists.
por Dickinson, William R [autor].