@article{483881,
      author = {Wansing, H.},
      url = {http://library.usi.edu/record/483881},
      title = {Negation a notion in focus / [electronic resource] :},
      publisher = {W. de Gruyter,},
      recid = {483881},
      pages = {viii, 270 p.},
      address = {Berlin ;},
      year = {1996},
}