S.A. Bilbey, Cleveland-Lloyd Dinosaur Quarry - age, stratigraphy and depositional environments, in Carpenter, K.; Chure, D.; and Kirkland, J.I. (eds.) (a cura di), The Morrison Formation: An Interdisciplinary Study, Modern Geology 22, Taylor and Francis Group, 1998, pp. 87–120, ISSN 0026-7775 (WC · ACNP).
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S.A. Bilbey, Cleveland-Lloyd Dinosaur Quarry - age, stratigraphy and depositional environments, in Carpenter, K.; Chure, D.; and Kirkland, J.I. (eds.) (a cura di), The Morrison Formation: An Interdisciplinary Study, Modern Geology 22, Taylor and Francis Group, 1998, pp. 87–120, ISSN 0026-7775 (WC · ACNP).