Frye, J. C., & Leonard, A. B. (1959). Correlation of the Ogallala formation (Neogene) in western Texas with type localities in Nebraska. Bureau of Economic Geology, University of Texas.
芝加哥风格引文Frye, John Chapman, 与 A. Byron Leonard. Correlation of the Ogallala Formation (Neogene) in Western Texas with Type Localities in Nebraska. Austin: Bureau of Economic Geology, University of Texas, 1959.
MLA引文Frye, John Chapman, 与 A. Byron Leonard. Correlation of the Ogallala Formation (Neogene) in Western Texas with Type Localities in Nebraska. Bureau of Economic Geology, University of Texas, 1959.
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