@Misc{BVMC:1039734, author = {Ruperto de Deutz, Santo}, title = {Ruperti Abbatis Monasterii Tuitiensis ... De Divinis Officijs libri XII}, url = {https://www.cervantesvirtual.com/obra/ruperti-abbatis-monasterii-tuitiensis-de-divinis-officijs-libri-xii-1039734} }