@inproceedings{ls_leimeister,
  address = {Trento, Italy},
  author = {Berkovich, M. and Hoffmann, A. and Leimeister, J. M. and Krcmar, H.},
  booktitle = {Requirements Engineering for Systems, Services, and Systems of Systems (RESS)},
  interhash = {42db1e622c6b4e1a9ef0ab2c0e0d5e11},
  intrahash = {253cab823a72cbe31c53b5c58c95ed45},
  note = {264 (47-11)},
  title = {Analysis of Requirements Engineering Techniques for IT enabled Product-Service-Systems},
  url = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_316.pdf},
  year = 2011
}