@inproceedings{SdGWS08,
    	author 		= "Masamichi Sugihara and Erwin de Groot and Brian Wyvill and Ryan Schmidt",
    	title		= "A Sketch-Based Method to Control Deformation in a Skeletal Implicit Surface Modeler",
	booktitle	= "Proceedings of the 5th Eurographics Workshop on Sketch-Based Interfaces and Modeling",
    	year		= 2008,
    	pages		= "65--72"
}