@book {SC.2.Daehlen.1998,
	title = {Mathematical Methods for Curves and Surfaces IV},
	year = {1998},
	publisher = {Vanderbilt Press},
	author = {D{\ae}hlen, Morten and Lyche, T. and L. L. {Schumaker}}
}
@book {SC.2.Daehlen.1995,
	title = {Mathematical Methods for Curves and Surfaces III},
	year = {1995},
	publisher = {Vanderbilt Press},
	author = {D{\ae}hlen, Morten and Lyche, T. and L. L. {Schumaker}}
}
