@inproceedings{ls_leimeister,
  address = {Helsinki, Finland (accepted for publication)},
  author = {Bitzer, Philipp and Weiß, Frank and Leimeister, Jan Marco},
  booktitle = {Eighth International Conference on Design Science Research in Information Systems and Technology (DESRIST)},
  interhash = {48a19913ff4a7fda6f2ffac9c1b0af08},
  intrahash = {ecc572acde1b82bc3db34fcfd34c4e31},
  title = {Towards a Reference Model for a Productivity-optimized Delivery of Technology Mediated },
  year = 2013
}

@inproceedings{ls_leimeister,
  address = {Utrecht, Netherlands (accepted for publication)},
  author = {Bitzer, Philipp and Söllner, Matthias},
  booktitle = {European Conference on Information Systems (ECIS)},
  interhash = {bc6ff6701f1e1673fa90aa643e1d00a6},
  intrahash = {2b38076bc602a1a630b3aef8f0cc6215},
  title = {Towards a Productivity Measurement Model for Technology Mediated Learning Services},
  year = 2013
}