=Volume= {{Volume |number=2541 |storemode=property |wikidataid=Q113542706 |title=Proceedings of the 8th International Workshop on Requirements Engineering for Sustainable Systems |acronym=RE4SuSy 2019 |url=http://ceur-ws.org/Vol-2541/ |date=2020-01-23 |dblp=conf/re/2019re4susy |k10plus=1689174439 |urn=urn:nbn:de:0074-1155-8 }}