@book { AnwendungdersystemischenTherapieinderOnlineBeratung, title = "Anwendung der systemischen Therapie in der Online-Beratung", author = "Christine {Römer}", year = "2012", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783656254041", url = "https://www.hausarbeiten.de/document/198883" }