@book{132813,
	author = {Von Seggern, David H. and Von Seggern, David H.},
	title = {CRC standard curves and surfaces},
	publisher = {CRC Press},
	year = {c1993.},
	address = {Boca Raton},
	note = {Updated ed. of: CRC handbook of mathematical curves and surfaces. c1990.}
}