OA and German copyright law
Peter Suber · 2004
Thomas Pflüger and Dietmar Ertmann, E-Publishing and Open Access, Zeitschrift für Urheber- und Medienrecht , 2004, pp. 436-443. Only the abstract is free online, at least so far. Read it in German or in Google's English. (Thanks to Klaus Graf.) Update . There is now an OA edition of the full-text.