@misc{MarquesdeCarvalhoJuergensen2007,
  author    = {Marques de Carvalho, Jackson W. and J{\"u}rgensen, Helmut},
  title     = {Flexible Structured Mathematics Notation : IADIS, International Conference Interfaces and Human Computer Interaction, Lisabon, 2007},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  volume    = {2007, 1},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {0946-7580},
  pages     = {5 S.},
  year      = {2007},
  language  = {en}
}
@misc{StoepelSchubertMargariaSteffen2007,
  author    = {St{\"o}pel, Christoph and Schubert, Wolfgang and Margaria-Steffen, Tiziana},
  title     = {Plug-ins und Dienste : Ans{\"a}tze zu Bew{\"a}ltigung zeitvarianter Gesch{\"a}ftsprozesse},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  volume    = {2007, 2},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {0946-7580},
  pages     = {14 S.},
  year      = {2007},
  language  = {de}
}