TY - BOOK ID - 130461275 TI - Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills formation in South Dakota and Wyoming AU - Landman, Neil H. AU - Waage, Karl M. PY - 1993 PB - New York (N.Y.): American museum of natural history, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:130461275 AB - ER -