@misc{OPUS4-683, title = {450 - Dienstvereinbarung Lync/Skype for Business-Telefonie an der Hochschule D{\"u}sseldorf vom 18.02.2016}, address = {D{\"u}sseldorf}, organization = {Hochschule D{\"u}sseldorf}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-9572}, pages = {13}, year = {2016}, language = {de} }