@book{7999,
	author = {Gray, Cecil,},
	title = {The History of Music /},
	publisher = {Kegan Paul,},
	year = {2004.},
	address = {London:},
	note = {Reprint of the 2d, rev. ed. published in 1935 by Knopf, New York, in series: The History of civilization.},
	url = {http://www.loc.gov/catdir/enhancements/fy1510/78010335-b.html}
}