@INPROCEEDINGS{93cdc-renee,
   AUTHOR       = {R. Koplon and E.D. Sontag},
   BOOKTITLE    = {Proc. IEEE Conf. Decision and Control, San Antonio, Dec. 1993, IEEE Publications, 1993},
   TITLE        = {Sign-linear systems as cascades of automata and 
      continuous variable systems},
   YEAR         = {1993},
   OPTADDRESS   = {},
   OPTCROSSREF  = {},
   OPTEDITOR    = {},
   OPTMONTH     = {},
   OPTNOTE      = {},
   OPTNUMBER    = {},
   OPTORGANIZATION = {},
   PAGES        = {2290--2291},
   OPTPUBLISHER = {},
   OPTSERIES    = {},
   OPTVOLUME    = {}
}