@article{483867,
      recid = {483867},
      author = {Swan, Toril. and Westvik, Olaf Jansen,},
      title = {Modality in Germanic languages historical and comparative  perspectives / [electronic resource] :},
      publisher = {Mouton de Gruyter,},
      address = {Berlin ;},
      pages = {vi, 319 p. :},
      year = {1997},
      url = {http://library.usi.edu/record/483867},
}