?url_ver=Z39.88-2004&rft_id=doi%3A10.1093%2Fcomjnl%2Fbxr094&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hillston%2C+Jane&rft.aufirst=Jane&rft.aulast=Hillston&rft.issn=0010-4620&rft.issue=7&rft.pages=866-881&rft.volume=55&rft.date=September+2012&rft.title=The+Computer+Journal&rft.atitle=Stochastic+process+algebras%3A+from+individuals+to+populations&rft.genre=article