@book{49668,
	author = {Tremblay, Jean-Paul and Bunt, Richard B.},
	title = {An introduction to computer science},
	publisher = {McGraw-Hill},
	year = {c1989.},
	series = {McGraw-Hill computer science series},
	address = {New York},
	edition = {2. ed.},
	note = {920526}
}