@book{57213,
	author = {Ditchfield, Simon,},
	title = {Conversions :},
	publisher = {Manchester University Press,},
	year = {2017.},
	address = {Manchester :},
	url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=1452591}
}