@article{251990,
      recid = {251990},
      author = {Lockley, M. G. and Hunt, Adrian P.},
      title = {Dinosaur tracks : and other fossil footprints of the  western United States /},
      publisher = {Columbia University Press,},
      address = {New York :},
      pages = {xxi, 338 p. :},
      year = {1998},
      url = {http://library.usi.edu/record/251990},
}