@article{186650,
      recid = {186650},
      author = {Farrar, John Laird.},
      title = {Trees of the northern United States and Canada /},
      publisher = {Iowa State University Press,},
      address = {Ames :},
      pages = {x, 502 p. :},
      year = {1995},
      url = {http://library.usi.edu/record/186650},
}