?url_ver=Z39.88-2004&rft_id=10.1109%2FMASCOTS.2011.28&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Tribastone&rft.au=Tribastone%2C+Mirco&rft.aufirst=Mirco&rft.isbn=978-1-4577-0468-0+&rft.btitle=Proceedings+of+the+19th+International+Symposium+on+Modeling%2C+Analysis+%26+Simulation+of+Computer+and+Telecommunication+Systems+(MASCOTS)&rft.title=Approximate+mean+value+analysis+of+process+algebra+models&rft.date=July+2011&rft.genre=bookitem