=Volume= {{Volume |number=1416 |storemode=property |wikidataid=Q113544609 |title=Proceedings of the Fourth International Workshop on Requirements Engineering for Sustainable Systems |acronym=RE4SuSy 2015 |url=http://ceur-ws.org/Vol-1416/ |date=2015-08-04 |dblp=conf/re/2015re4susy |k10plus=1020128208 |urn=urn:nbn:de:0074-1155-8 }}