@inproceedings{PreussSyrbeKoenig1999, author = {Preuss, Thomas and Syrbe, Jens-Hagen and K{\"o}nig, Hartmut}, title = {Permanent Customer-Provider Relationships for Electronic Service Markets}, series = {Kommunikation in Verteilten Systemen (KiVS) : 11. ITG/GI-Fachtagung. Darmstadt, 2.-5. M{\"a}rz 1999}, booktitle = {Kommunikation in Verteilten Systemen (KiVS) : 11. ITG/GI-Fachtagung. Darmstadt, 2.-5. M{\"a}rz 1999}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-65597-2}, pages = {326 -- 337}, year = {1999}, language = {de} }