@article{SWS10,
	author      = "Masamichi Sugihara and Brian Wyvill and Ryan Schmidt",
	title       = "Warp{C}urves: A Tool for Explicit Manipulation of Implicit Surfaces",
	journal     = "Computers \& Graphics",
	volume      = 34,
	number      = 3,
	year        = 2010,
	pages       = "282--291",
	note        = "Shape Modeling International (SMI) 2010"
}