ebrary, Inc, & Thieroff, R. (1995). Tense systems in European languages. Max Niemeyer Verlag.
Chicago Style (17th ed.) Citationebrary, Inc, and Rolf Thieroff. Tense Systems in European Languages. Tübingen: Max Niemeyer Verlag, 1995.
MLA (9th ed.) Citationebrary, Inc, and Rolf Thieroff. Tense Systems in European Languages. Max Niemeyer Verlag, 1995.
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