@inproceedings{LICS-1998-HermidaMP,
	author        = "Claudio Hermida and Michael Makkai and John Power",
	booktitle     = "{Proceedings of the 13th Annual IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1998.705656",
	isbn          = "0-8186-8506-9",
	pages         = "199--206",
	publisher     = "{IEEE Computer Society}",
	title         = "{Higher Dimensional Multigraphs}",
	year          = 1998,
}