@book{255932,
	author = {MacLennan, Bruce J.},
	title = {Principles of programming languages :},
	publisher = {Oxford University Press,},
	year = {1999.},
	address = {New York :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0602/98027755-d.html}
}