@inproceedings{Mon08,
  author = "Samson Abramsky",
  booktitle = "Concurrency, Graphs and Models, Essays Dedicated to Ugo Montanari on the Occasion of His 65th Birthday.",
  editor = "Pierpaolo Degano and Rocco De Nicola and Jose Meseguer",
  pages = "527--543",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  title = "Petri Nets, Discrete Physics, and Distributed Quantum Computation",
  volume = "5065",
  year = "2008",
}