@book{573,
	author = {Shelly,Gary {et.al}},
	title = {Complete computer concepts and microcomputer applications : WordPerfect 5.1, Lotus 1-2-3 release 2.2, dBASE III plus / Gary B. Shelly ... [et. al].},
	address = {DanveRed Sport, Mass. : Boyd & Fraser, c1992.}
}