@inproceedings{FreitagHusen2004, author = {Freitag, Markus and Husen, Christian van}, title = {IT services - a special field of new service development}, booktitle = {9TH, International research symposium on service excellence in management:; QUIS 9: interdisciplinary contributions; 2004; Karlstad, Sweden}, isbn = {918501981X}, pages = {38 -- 46}, year = {2004}, language = {en} }