@book{6527,
	author = {Davis, Thomas Austin,},
	title = {Algebra and trigonometry /},
	publisher = {Harcourt, Brace, Jovanovich,},
	year = {c1972.},
	address = {New York :},
	note = {Also available in 4 programmed volumes with the following titles: Real numbers and elementary algebra, Sets and functions, Trigonometry, and Algebra: functions and theory of equations.}
}