@inproceedings{Mon08, title = "Petri Nets, Discrete Physics, and Distributed Quantum Computation", author = "Samson Abramsky", year = "2008", 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", volume = "5065", }