@article{59627,
      author = {Ernst, Carl H. and Barbour, Roger W.,},
      url = {http://library.usi.edu/record/59627},
      title = {Turtles of the United States},
      publisher = {The University Press of Kentucky},
      recid = {59627},
      pages = {x, 347 p.},
      address = {[Lexington]},
      year = {1972},
}