ISBN 9992222735 books & textbook
Early Cenozoic Paleontology and Statigraphy of the Bighorn Basin, Wyoming (Papers on Paleontology, No 24)
Gingerich, Philip D. Gingerich, Philip D. Gingerich, Philip D.
University of Michigan /1980T Paperback
isbn-10: 9992222735 / isbn-13: 9789992222737
