@inproceedings{wolf2013tickle,
	author = {Katrin Wolf and Robert Schleicher and Sven Kratz and Michael Rohs},
	title = {Tickle: A Surface-Independent Interaction Technique for Grasp Interfaces},
	series = {TEI '13},
	year = {2013},
	month = {february},
	location = {Barcelona, Spain},
	publisher = {ACM},
	keywords = {Grasp, back-of-device, rear, swipe, pitch, gesture}
}