?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Mirco&rft.aulast=Tribastone&rft.au=Tribastone%2C+Mirco&rft.title=The+PEPA+Plug-in+project&rft.date=June+2006&rft.genre=proceeding