@phdthesis{HasslerVolkmann2011,
  author    = {Haßler, Gerda and Volkmann, Gesina},
  title     = {Temporalidad y deixis m{\´u}ltiple en textos narrativos},
  isbn      = {978-3-631-62057-1},
  year      = {2011},
  language  = {es}
}
@phdthesis{Volkmann2005,
  author    = {Volkmann, Gesina},
  title     = {Weltsicht und Sprache : Epistemische Relativierung am Beispiel des Spanischen},
  series = {T{\"u}binger Beitr{\"a}ge zur Linguistik},
  volume    = {481},
  journal   = {T{\"u}binger Beitr{\"a}ge zur Linguistik},
  publisher = {Narr},
  address   = {T{\"u}bingen},
  isbn      = {3-8233-6101-5},
  pages     = {XI, 456 S.},
  year      = {2005},
  language  = {de}
}