?url_ver=Z39.88-2004&rft_id=10.1016%2FS0005-1098(01)00059-0&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Heemels%2C+W.P.M.H.&rft.aulast=Heemels&rft.aufirst=W.P.M.H.&rft.atitle=Equivalence+of+hybrid+dynamical+models&rft.title=Automatica&rft.date=July+2001&rft.volume=37&rft.issue=7&rft.pages=1085-1091&rft.issn=0005-1098&rft.genre=article