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…und Palaeontologie Abh., v. 10, p. 600-611 (INVITED). Cys, J.M., and S.J. Mazzullo, 1978, Lithofacies and sedimentation of Lower Permian carbonates of the Leonard Mountain area, Glass Mountains, western Texas: a discussion; Journal of Sedimentary Petrology, v. 48, p. 1363-1368 (reprinted in Symposium and Guidebook, Marathon-Marfa Region of West…
https://www.wichita.edu/profiles/academics/fairmount_college_of_liberal_arts_and_sciences/Geology/Mazzullo-Salvatore.php