@article{429089,
      author = {Horty, John Francis.},
      url = {http://library.usi.edu/record/429089},
      title = {Frege on definitions a case study of semantic content /  [electronic resource] :},
      publisher = {Oxford University Press,},
      recid = {429089},
      pages = {xii, 159 p.},
      address = {Oxford ;},
      year = {2007},
}