@book{161228,
	author = {Perspection, Inc.},
	title = {Microsoft PowerPoint 97 paso a paso},
	publisher = {McGraw-Hill},
	year = {c1997.},
	series = {Paso a paso},
	address = {Madrid},
	note = {"Covers Microsoft PowerPoint 97 for Windows 95 and Windows NT version 4.0"--Cover.}
}