@article{255950,
      author = {Aalst, Wil van der. and Hee, Kees Max van,},
      url = {http://library.usi.edu/record/255950},
      title = {Workflow management : models, methods, and systems /},
      publisher = {MIT Press,},
      recid = {255950},
      pages = {xvi, 368 p. :},
      address = {Cambridge, Mass. :},
      year = {2002},
}