{"id":"000028185","type":"book","title":"Upper pliocene vertebrates from Keefe Canyon, Meade County, Kansas. - Boulder, CO","container-title":"Bulletin of the Geological Society of America ; 60.1949, S. 820-860 : 11 Ill. ; 5 Taf","author":[{"family":"Hibbard","given":"Claude W."}],"issued":{"raw":"1949"}}