?url_ver=Z39.88-2004&rft_id=10.1007%2FBFb0030326&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=De+Nicola%2C+Rocco&rft.aulast=De+Nicola&rft.aufirst=Rocco&rft.isbn=3-540-13372-0&rft.title=Models+and+Operators+for+Nondeterministic+Processes&rft.btitle=Mathematical+Foundations+of+Computer+Science+(MFCS+1984)&rft.date=1984&rft.genre=bookitem