Biodiversity Heritage Library
By "Toomey, Donald F. "
Organic buildups in the Lower Ordovician (Canadian) of Texas and Oklahoma / Donald Francis Toomey -- and Matthew H. Nitecki --.
By: Toomey, Donald F. - Nitecki, Matthew H. - Field Museum of Natural History.
Publication info: [Chicago] :Field Museum of Natural History,1979.
Contributed by: University Library, University of Illinois Urbana Champaign