@Unpublished{confIPG2004,
  author = 	 {Comet, J.-P. and Klaudel, H. and Liauzu, S. },
  title = 	 {Qualitative Modelling of genetic networks using 
                  high-level {P}etri nets},
  note = 	 {IPG'2004, Lyon, France, October 14-15, 2004.},
  OPTkey = 	 {},
  OPTmonth = 	 {},
  OPTyear = 	 {},
  OPTannote = 	 {},
  IBISCkind =    {colloque},
  IBISClang =    {english},
  IBISCcountry = {France},
  abstract  =    {}
}