Shumard Roberson, D. (1972). The paleoecology, distribution and significance of circular biotherms in the Edwards Limestone of central Texas. Baylor Univ., Dept. of Geology.
Chicago-Zitierstil (17. Ausg.)Shumard Roberson, Dana. The Paleoecology, Distribution and Significance of Circular Biotherms in the Edwards Limestone of Central Texas. Waco, Tex: Baylor Univ., Dept. of Geology, 1972.
MLA-Zitierstil (9. Ausg.)Shumard Roberson, Dana. The Paleoecology, Distribution and Significance of Circular Biotherms in the Edwards Limestone of Central Texas. Baylor Univ., Dept. of Geology, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.