@InProceedings{author1_et_al:DSP:2004a,
  author = 	 {Max Mustermann and Maxi Wei{\ss{}}--M{\"u}ller},
  title = 	 {Title of the Abstract [online]},
  booktitle = 	 {Title of the Seminar},
  OPTcrossref =  {},
  OPTkey = 	 {},
  OPTpages = 	 {<ppp>--<ppp>},
  year = 	 {2004},
  editor = 	 {Otto Orga1 and Anna~Berta Orga2 and Hans--Heini Orga3},
  OPTvolume = 	 {},
  number = 	 {04444},
  series = 	 {Dagstuhl Seminar Proceedings},
  OPTmonth = 	 {},
  OPTorganization = {},
  publisher =    {Internationales Begegnungs- und Forschungszentrum (IBFI), Schloss Dagstuhl, Germany},
  OPTaddress = 	 {Dagstuhl, Germany},
  OPTURL = 	 {$<$http://drops.dagstuhl.de/opus/volltexte/2004/44441$>$ 
                  [date of citation: 2004-07-29]},
  note =      {$<$http://drops.dagstuhl.de/opus/volltexte/2004/44441$>$ 
                  [date of citation: 2004-07-29]},
  OPTannote = 	 {Keywords: test, style},
}

@InProceedings{author2_et_al:DSP:2004b,
  author = 	 {Tommy Template},
  title = 	 {This is a Template Title [online]},
  booktitle = 	 {Title of Dagstuhl Seminar},
  OPTcrossref =  {},
  OPTkey = 	 {},
  OPTpages = 	 {<ppp>--<ppp>},
  year = 	 {2004},
  editor = 	 {Doris Dummy and Elli Example},
  OPTvolume = 	 {},
  number = 	 {04445},
  series = 	 {Dagstuhl Seminar Proceedings},
  OPTaddress = 	 {Dagstuhl, Germany},
  OPTmonth = 	 {},
  OPTorganization = {},
  publisher =    {Internationales Begegnungs- und Forschungszentrum (IBFI), Schloss Dagstuhl, Germany},
  OPTURL = 	 {$<$http://drops.dagstuhl.de/opus/volltexte/2004/44457$>$ 
                  [date of citation: 2004-07-30]},
  note = 	 {$<$http://drops.dagstuhl.de/opus/volltexte/2004/44457$>$ 
                  [date of citation: 2004-07-30]},
  OPTannote = 	 {Keywords: test, style},
}