Sharpening the Adequacy of a Characterization

@article{tovenas:schaden09,
    author = "Schaden, Gerhard and Tovena, Lucia",
    title = "Sharpening the Adequacy of a Characterization",
    journal = "Sprache und Datenverarbeitung",
    year = "2009",
    volume = "33",
    number = "1--2",
    pages = "122--137",
    annote = ""
}