@book{5297,
	author = {Alwin, Robert H. and Hackworth, Robert D.,},
	title = {Algebra programmed},
	publisher = {Prentice-Hall},
	year = {[1969-71]},
	address = {Englewood Cliffs, N.J.,},
	note = {Parts 3-4 by R. H. Alwin, R. D. Hackworth, and J. Howland.}
}