@article{80091,
      author = {Prior, A. N.},
      url = {http://library.usi.edu/record/80091},
      title = {The doctrine of propositions and terms /},
      publisher = {University of Massachusetts Press,},
      recid = {80091},
      pages = {143 p. :},
      address = {Amherst :},
      year = {1976},
}