Stratigraphy and Paleontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin Area, Wyoming and Montana Autor John H. Ostrom 9 feb 2020 Paperback Preț: 381.60 lei 6-8 săpt.
Osteology of Deinonychus antirrhopus, an Unusual Theropod from the Lower Cretaceous of Montana: 50th Anniversary Edition Autor John H. Ostrom et al. 30 sep 2019 Paperback Preț: 349.26 lei 6-8 săpt.