?url_ver=Z39.88-2004&rft_id=10.1109%2FQEST.2010.31&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Bortolussi%2C+Luca&rft.aufirst=Luca&rft.aulast=Bortolussi&rft.isbn=978-1-4244-8082-1&rft.date=September+2010&rft.title=Hybrid+semantics+for+PEPA&rft.btitle=Proceedings+of+the+7th+International+Conference+on+the+Quantitative+Evaluation+of+Systems+(QEST)&rft.genre=bookitem