{"id":"000028189","type":"book","title":"Microtus Pennsylvanicus (ORD) from the Hay Springs local faune of Nebraska. - Ann Arbor, MI","container-title":"Journal of paleontology ; 30.1956, no. 5, S. 1264-1266 : 1 Ill","author":[{"family":"Hibbard","given":"Claude W."}],"issued":{"raw":"1956"}}