@incollection{KnorrGroener2018, author = {Andreas Knorr and Helmut Gr{\"o}ner}, title = {Lizenzierung als Instrument der Markt{\"o}ffnung?}, series = {Liberalisierung und Regulierung der Postm{\"a}rkte}, editor = {Heinz Berger and Peter Knauth}, publisher = {Oldenbourg}, address = {M{\"u}nchen}, isbn = {3-486-22749-1}, pages = {225 -- 246}, year = {2018}, abstract = {.}, language = {de} }