@book{5027,
	author = {Corlett, Peter Norman. and Tinsley, J. D.},
	title = {Practical programming /},
	publisher = {Cambridge U.P.,},
	year = {1968.},
	address = {London,},
	url = {http://www.loc.gov/catdir/enhancements/fy0659/68021391-d.html}
}