@incollection{PedellRoetzel2018, author = {Burkhard Pedell and Peter R{\"o}tzel}, title = {\S 24 Getrennte Rechnungsf{\"u}hrung}, booktitle = {Telekommunikationsgesetz}, series = {Kommentar}, isbn = {978-3-406-62086-7}, year = {2018}, }