@inproceedings{LICS-2003-HughesG,
	author        = "Dominic J. D. Hughes and Rob J. van Glabbeek",
	booktitle     = "{Proceedings of the 18th IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2003.1210039",
	isbn          = "0-7695-1884-2",
	pages         = "1--10",
	publisher     = "{IEEE Computer Society}",
	title         = "{Proof Nets for Unit-free Multiplicative-Additive Linear Logic}",
	year          = 2003,
}