11
Cagnat, Renatus.
de Gruyter,,
1966,
13
De Gruyter
De Gruyter,,
2011,
16
De Gruyter
De Gruyter,,
2012,
17
De Gruyter Saur
De Gruyter,,
2012,
18
Debrunner, Albert
Walter de Gruyter,,
1954,
20
Degrassi, Atilius.
de Gruyter,,
1996,