@article{226553,
      recid = {226553},
      author = {Gordon, Mackenzie, and Pojeta, John,},
      title = {Pelecypoda and Rostroconchia of the Amsden Formation  (Mississippian and Pennsylvanian) of Wyoming : descriptions  and illustrations of 41 taxa of pelecypods and 1  rostroconchian, with comments on their distribution /},
      publisher = {U.S. Govt. Print. Off.,},
      address = {Washington :},
      pages = {iii, 24 p., :},
      year = {1975},
      note = {Includes index.},
      url = {http://library.usi.edu/record/226553},
}