@book{206124,
	author = {Gibilisco, Stan.},
	title = {Understanding Einstein's theories of relativity},
	publisher = {Dover Publications},
	year = {1991.},
	address = {New York},
	note = {"An unabridged, corrected republication of the work originally published by Tab Books, Inc., Blue Ridge Summit, Pa., 1963"--T.p. verso.},
	url = {http://www.loc.gov/catdir/description/dover033/90020570.html}
}