@book{11643,
	author = {Szecsei, Denise},
	title = {Trigonometry /},
	publisher = {Career Press,},
	year = {c2007.},
	series = {Homework helpers},
	address = {Newburyport, MA :},
	url = {Table of contents only|uhttp://catdir.loc.gov/catdir/toc/ecip0620/2006028234.html}
}