Kennedy, W., & Cobban, W. (1991). Upper Cretaceous (upper Santonian) Boehmoceras fauna from the Gulf Coast region of the United States.
Citace podle Chicago (17th ed.)Kennedy, W., a W. Cobban. Upper Cretaceous (upper Santonian) Boehmoceras Fauna from the Gulf Coast Region of the United States. 1991.
Citace podle MLA (9th ed.)Kennedy, W., a W. Cobban. Upper Cretaceous (upper Santonian) Boehmoceras Fauna from the Gulf Coast Region of the United States. 1991.
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