?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Silva&rft.aufirst=Miguel+Pedro&rft.au=Silva%2C+Miguel+Pedro&rft.date=June+2004&rft.title=Robust+optimal+control+of+linear+hybrid+systems%3A+An+MLD+approach&rft.btitle=Sixth+Portuguese+Conference+on+Automatic+Control+(CONTROLO+2004)&rft.genre=proceeding