@book{161899,
	author = { Schumann, Walter   New York, 2009  4th ed., newly rev. & expanded   and Bible Society of South Africa and  Schumann, Walter   New York, 2009  4th ed., newly rev. & expanded   and Bible Society of South Africa},
	title = {Gemstones of the world },
	publisher = { Sterling, },
	year = {2011.},
	address = {New York : },
	edition = {4th ed.},
	note = {Maps on endpapers.}
}