@article{113193,
      author = {Ayer, A. J.},
      url = {http://library.usi.edu/record/113193},
      title = {Probability and evidence},
      publisher = {Columbia University Press,},
      recid = {113193},
      pages = {x, 144 p.},
      address = {New York,},
      year = {1972},
}