@article{60507,
      author = {Wharton, Mary E., and Barbour, Roger W.,},
      url = {http://library.usi.edu/record/60507},
      title = {Trees & shrubs of Kentucky},
      publisher = {University Press of Kentucky},
      recid = {60507},
      pages = {582 p.},
      address = {[Lexington]},
      year = {1973},
}