@ARTICLE{kutvonen07interop,
  AUTHOR = {Lea Kutvonen and Toni Ruokolainen and Janne Metso},
  TITLE = {{Interoperability middleware for federated business
                 services in web-Pilarcos}},
  JOURNAL = {International Journal in Enterprise Information
                 Systems},
  YEAR = {2007},
  NUMBER = {1},
  VOLUME = {3},
  PAGES = {1--21},
  MONTH = JAN,
  URL = {http://www.igi-pub.com/articles/details.asp?id=6597}
}

@ARTICLE{ruokolainen05webpilarcos,
  AUTHOR = {Toni Ruokolainen and Janne Metso and Lea Kutvonen},
  TITLE = {{Web-Pilarcos: väliohjelmistopalveluita sähköisille
                 liiketoimintaverkostoille}},
  JOURNAL = {Tietojenkäsittelytiede},
  YEAR = {2005},
  VOLUME = {24},
  PAGES = {52--66},
  MONTH = DEC,
  NOTE = {In Finnish.},
  URL = {http://www.tkts.fi/lehti/24-index.html}
}