@inproceedings{CleverHollerPuesteretal.2013,
  author    = {Clever, Nico and Holler, Justus and P{\"u}ster, Johannes and Shitkova, Maria},
  title     = {Growing Trees — A Versioning Approach for Business Process Models based on Graph Theory},
  series = {Proceedings of the European Conference on Information Systems (ECIS) 2013},
  booktitle = {Proceedings of the European Conference on Information Systems (ECIS) 2013},
  address   = {Utrecht University, Netherlands},
  pages     = {157},
  year      = {2013},
  language  = {en}
}
@inproceedings{BeckerCleverHolleretal.2013,
  author    = {Becker, J{\"o}rg and Clever, Nico and Holler, Justus and P{\"u}ster, Johannes and Shitkova, Maria},
  title     = {Integrating Process Modeling Methodology, Language and Tool — A Design Science Approach},
  series = {Proceedings of the 6th IFIP WG 8.1 working conference on the Practice of Enterprise Modeling (PoEM 2013)},
  booktitle = {Proceedings of the 6th IFIP WG 8.1 working conference on the Practice of Enterprise Modeling (PoEM 2013)},
  address   = {Riga, Latvia},
  pages     = {221 -- 235},
  year      = {2013},
  language  = {en}
}
@inproceedings{BeckerCleverHolleretal.2013,
  author    = {Becker, J{\"o}rg and Clever, Nico and Holler, Justus and P{\"u}ster, Johannes and Shitkova, Maria},
  title     = {Semantically Standardized and Transparent Process Model Collections via Process Building Blocks},
  series = {Proceedings of the Fifth International Conference on Information, Process, and Knowledge Management — eKNOW 2013},
  booktitle = {Proceedings of the Fifth International Conference on Information, Process, and Knowledge Management — eKNOW 2013},
  address   = {Nice, France},
  pages     = {172 -- 177},
  year      = {2013},
  language  = {en}
}