@article{193711,
      author = {Penrose, Roger.},
      url = {http://library.usi.edu/record/193711},
      title = {Shadows of the mind : a search for the missing science of  consciousness /},
      publisher = {Oxford University Press,},
      recid = {193711},
      pages = {xvi, 457 p. :},
      address = {New York :},
      year = {1996},
}