@book{155856,
	author = {Stern, Nancy B.},
	title = {RPG II and RPG III structured programming/},
	publisher = {Wiley,},
	year = {1991.},
	address = {New York :},
	edition = {2nd ed. },
	note = {Rev. ed. of: RPG II and RPG III programming / Nancy Stern, Alden Sager, Robert A. Stern. c1984.}
}