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2. Carboniferous–Permian paleogeography of the assembly of Pangaea;Blakely,2007
3. Fluvial responses to climate and sea level change: a review and a look forward;Blum;Sedimentology,2000
4. A new model for depth-related allogenic community succession within North American Pennsylvanian cyclothems and implications on the black shale problem;Boardman,1984
5. Stratigraphy of flint clays of the Allegheny and Pottsville Groups, western Pennsylvania;Bragonier,1989