Eastern Europe and the Cultural Poetics of the Chivalric Tournament in Medieval Germany: "Biterolf und Dietleib", Ottokar von Steiermark's "Österreichische Reimchronik" and Ludwig von Eyb's "Turnierbuch" - Sager, Alexander (. Germano-Slavica. - Waterloo, Ontario : Dep. of Germanic and Slavic Languages and Literatures at the Univ. of Waterloo, 1973-2007. - ISSN 0317-4956 14, 2003)