@article{426018,
      author = {Cyffer, Norbert. and Ebermann, Erwin, and Ziegelmeyer,  Georg.},
      url = {http://library.usi.edu/record/426018},
      title = {Negation patterns in West African languages and beyond  [electronic resource] /},
      publisher = {John Benjamins Pub. Co.,},
      recid = {426018},
      pages = {vi, 368 p.},
      address = {Amsterdam ;},
      year = {2009},
}