@inproceedings{PPDP-2000-HylandP,
	author        = "Martin Hyland and John Power",
	booktitle     = "{Proceedings of the Second International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/351268.351299",
	pages         = "280--288",
	title         = "{Symmetric monoidal sketches}",
	year          = 2000,
}