=Volume=
{{Volume
|number=820
|storemode=property
|wikidataid=Q113545258
|title=Proceedings of the Demo Track of the Nineth Conference on Business Process Management 2011
|acronym=BPM-2011
|url=http://ceur-ws.org/Vol-820/
|date=2012-01-20
|dblp=conf/bpm/2011d
|urn=urn:nbn:de:0074-1155-8
}}