@article{TammPetruchBennemann2014, author = {Gerrit Tamm and Konstantin Petruch and Michael Bennemann}, title = {SaaS - Software as a Service: Herausforderungen f{\"u}r IT-Abteilungen}, journal = {Journal IM Information Management}, volume = {23}, number = {4}, pages = {12 -- 18}, year = {2014}, }