?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Mazzara%2C+Manuel&rft.aulast=Mazzara&rft.aufirst=Manuel&rft.atitle=Deriving+Specifications+of+Dependable+Systems%3A+toward+a+Method&rft.title=EWDC+2009&rft.genre=article