1
2
Published: 2012,, c1981.
Superior document: Wiener Slawistischer Almanach. Sonderband ; 4
3
Published: 2012,, c1985.
Superior document: Wiener Slawistischer Almanach. Sonderband ; 17
4
Published: 2012,, c1991.
Superior document: Wiener Slawistischer Almanach. Sonderband, 28