@book{130805,
	author = {McMahon, David},
	title = {Relativity demystified /},
	publisher = {McGraw-Hill,},
	year = {c2006.},
	series = {Demystified series},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0625/2005054738-b.html}
}