1
Martin, Frank.
Walter de Gruyter,,
2019,
2
Frank, Markus.
Walter de Gruyter,,
2019,
4
Fehrenbach, Frank.
Walter de Gruyter,,
2017,
5
Fehrenbach, Frank.
Walter de Gruyter,,
2019,
6
Heidermanns, Frank
Walter de Gruyter,,
1993,
7
Grub, Frank Thomas
Walter de Gruyter,,
2003,
8
Grub, Frank Thomas
Walter de Gruyter,,
2003,