@phdthesis{Husen2007, author = {Christian van Husen}, title = {Anforderungsanalyse f{\"u}r produktbegleitende Dienstleistungen}, publisher = {Jost-Jetter}, address = {Heimsheim}, isbn = {978-3-939890-12-6}, url = {https://nbn-resolving.org/urn:nbn:de:bsz:93-opus-31920}, pages = {187}, year = {2007}, language = {de} }