@inproceedings{Husen2007,
  author    = {Christian van Husen},
  title     = {Service Requirements Engineering – a Critical Phase in New Service Development},
  series = {QUIS 10 : managing magical service : proceedings of a conference held in Orlando, Florida, USA, June 14-17, 2007},
  isbn      = {978-0-615144-13-9},
  pages     = {405 -- 414},
  year      = {2007},
  language  = {en}
}