@incollection{Broezel2022, author = {Claudia Br{\"o}zel}, title = {Developments in German e-Tourism: An Industry Perspective}, booktitle = {Handbook of e-Tourism}, editor = {Zheng Xiang and Matthias Fuchs and Ulrike Gretzel and Wolfram H{\"o}pken}, isbn = {978-3-030-05324-6}, doi = {10.1007/978-3-030-05324-6_11-1}, year = {2022}, }