@book{14054,
	author = {Guttag, John. and ebrary, Inc.},
	title = {Introduction to computation and programming using Python},
	publisher = {MIT Press,},
	year = {c2013.},
	address = {Cambridge, Mass. ;},
	edition = {Rev. and expanded ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10744808}
}