. _:vb50818508 . _:vb50818506 . _:vb50818507 . _:vb50818506 "Patrick Schmitz" . _:vb50818509 . _:vb50818509 . _:vb50818508 . _:vb50818508 "Warner ten Kate" . "Synchronized Multimedia Modules based upon SMIL 1.0" . "1999-02-23" . _:vb50818507 . . _:vb50818509 . _:vb50818506 . . _:vb50818507 "Ted Wugofski" .