@book{15747,
	author = {Field, Michael, and ebrary, Inc.},
	title = {APL},
	publisher = {Routledge,},
	year = {1993.},
	series = {Further education},
	address = {London ;},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5004378}
}