@book{71233,
	author = { Plotkin, Fred, },
	title = {Opera 101 :},
	publisher = {Hyperion,},
	year = {c1994.},
	address = {New York :},
	edition = {1st ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1207/94009477-d.html}
}