@book{100923,
	author = {Carlen, Pat. and ebrary, Inc.},
	title = {Imaginary penalities},
	publisher = {Willan Publishing,},
	year = {2008.},
	address = {Cullompton, Devon, UK ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10294457}
}