@article{Ratkowski09eInformaticaArt7,
  author    = {Andrzej Ratkowski and Andrzej Zalewski and Bartłomiej Piech},
  title     = {{Transformational Design of Business Processes in BPEL Language}},
  journal   = {{e-Informatica Software Engineering Journal}},
  volume    = {3},
  number    = {1},
  year      = {2009},
  pages     = {103--117},
  ee        = {http://www.e-informatyka.pl/attach/e-Informatica_-_Volume_3/eInformatica2009Art7.pdf},
}