@phdthesis{frank:1997c,
    author = "Frank, Anette",
    title = "{Context Dependence in Modal Constructions}",
    year = "1997",
    url = "http://www.cl.uni-heidelberg.de/\textasciitilde frank/papers/header.pdf",
    note = "411 pages, Published in `Arbeitspapiere des Sonderforschungsbereichs 340', `Sprachtheoretische Grundlagen für die Computerlinguistik, Nr. 91'",
    school = "Stuttgart University"
}