@article{58511,
      recid = {58511},
      author = {Sheppard, Joseph J.,},
      title = {Human color perception; a critical study of the  experimental foundation},
      publisher = {American Elsevier Pub. Co.,},
      address = {New York,},
      pages = {xvii, 192 p.},
      year = {1968},
      url = {http://library.usi.edu/record/58511},
}