@article{17771,
      recid = {17771},
      author = {Goldstein, Ronald E.},
      title = {Esthetics in dentistry /},
      publisher = {Lippincott,},
      address = {Philadelphia :},
      pages = {xx, 474 p., [13] leaves of plates :},
      year = {1976},
      url = {http://library.usi.edu/record/17771},
}