@article{226549, note = {Includes index.}, author = {Mamet, Bernard L.}, url = {http://library.usi.edu/record/226549}, title = {Carboniferous foraminifera and algae of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming /}, publisher = {U.S. Govt. Print. Off.,}, recid = {226549}, pages = {iii, 18 p., 2 leaves of plates :}, address = {Washington :}, year = {1975}, }