@inproceedings{CHI-2013-PijnappelM13a,
	author        = "Sebastiaan Pijnappel and Florian Müller",
	booktitle     = "{Proceedings of the 31st ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/2470654.2466165",
	isbn          = "978-1-4503-1899-0",
	pages         = "1271--1274",
	publisher     = "{ACM}",
	title         = "{4 design themes for skateboarding}",
	year          = 2013,
}