@article{Wischer2002,
  author    = {Wischer, Ilse},
  title     = {Dynamic have in North American and British Isles English},
  year      = {2002},
  language  = {en}
}
@article{Wischer2002,
  author    = {Wischer, Ilse},
  title     = {On the function of se/seo/that in Old English},
  isbn      = {3-631-38617-6},
  year      = {2002},
  language  = {en}
}