@book{147970,
	author = {Garfunkel, Solomon A. and Consortium for Mathematics and Its Applications (COMAP) (U.S.).},
	title = {For all practical purposes :},
	publisher = {W.H. Freeman,},
	year = {c1991.},
	address = {New York :},
	edition = {2nd ed.},
	note = {A project of Consortium for Mathematics and its Applications, Arlington, Mass.}
}