@inproceedings{ls_leimeister,
  address = {Verona, Italy},
  author = {Berkovich, M. and Leimeister, J. M. and Krcmar, H.},
  booktitle = {27. European Conference on Information Systems (ECIS) 2009},
  interhash = {37f4be89fb39497240745509bc461322},
  intrahash = {d450d6e8efd1d11eb66fcbe31fd01c4e},
  note = {134b (18-09)},
  title = {An empirical exploration of requirements engineering for hybrid products},
  url = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_182.pdf},
  year = 2009
}

@incollection{ls_leimeister,
  author = {Leimeister, J. M. and Berkovich, M.},
  booktitle = {Online-Lexikon der Wirtschaftsinformatik},
  editor = {Becker, J. and Gronau, N. and Kurbel, K. and Sinz, E. and Suhl, L.},
  interhash = {0bc5010118dce9aeb65b33f998d8884a},
  intrahash = {f80f4a91882fd5c64e0ab46acefd59bb},
  note = {165 (41-09)},
  publisher = {Oldenbourg},
  title = {Breitbandkommunikation},
  url = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_150.pdf},
  year = 2009
}

@inproceedings{ls_leimeister,
  address = {Wien, Austria},
  author = {Berkovich, M. and Esch, S. and Leimeister, J. M. and Krcmar, H.},
  booktitle = {Proceedings of Wirtschaftsinformatik},
  interhash = {bd672374e8a3cc5311241494ad8b743c},
  intrahash = {933b57ea5cc1e811d9463fe15aa66b14},
  note = {120 (4-09)},
  title = {Requirements engineering for hybrid products as bundles of hardware, software and service elements - a literature review},
  year = 2009
}