@book{5885,
	author = {Hestenes, David, and Sobczyk, Garret,},
	title = {Clifford algebra to geometric calculus :},
	publisher = {D. Reidel ;},
	year = {c1984.},
	address = {Dordrecht ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0822/84008235-b.html}
}