@article{80694,
      author = {Russell, Bertrand,},
      url = {http://library.usi.edu/record/80694},
      title = {Logic and knowledge; essays, 1901-1950. /},
      publisher = {G. Allen & Unwin,},
      recid = {80694},
      pages = {xi, 382 p. ;},
      address = {London :},
      year = {1956},
}