@article{9137,
      note = {Prepared as part of the Avian Anatomy Project conducted by  U.S. Agricultural Research Service, Poultry Research  Branch, in cooperation with Michigan State University,  Dept. of Poultry Science.},
      author = {Lucas, Alfred M. and Stettenheim, Peter R.,},
      url = {http://library.usi.edu/record/9137},
      title = {Avian anatomy: integument},
      publisher = {U.S. Agricultural Research Service; for sale by the Supt.  of Docs., U.S. Govt. Print. Off.,},
      recid = {9137},
      pages = {2 v.},
      address = {[Washington]},
      year = {1972},
}