1
Wachtel, Klaus
De Gruyter,,
2000,
2
Petersen, Leiva
De Gruyter,,
1998,
3
Petersen, Leiva
De Gruyter,,
1983,
4
Petersen, Leiva
De Gruyter,,
1970,
5
Groag, Edmund
De Gruyter,,
1966,
6
Groag, Edmund
De Gruyter,,
1960,
7
Groag, Edmund
De Gruyter,,
1967,
8
Groag, Edmund
De Gruyter,,
1965,