2
Fehrenbach, Frank.
Walter de Gruyter,,
2019,
3
Fehrenbach, Frank.
Walter de Gruyter,,
2017,
4
Frank, Markus.
Walter de Gruyter,,
2019,
5
Grub, Frank Thomas
Walter de Gruyter,,
2003,
6
Grub, Frank Thomas
Walter de Gruyter,,
2003,
7
Heidermanns, Frank
Walter de Gruyter,,
1993,
8
Martin, Frank.
Walter de Gruyter,,
2019,