@book{54892,
	author = {Allen, A. H. B. and ebrary, Inc.},
	title = {Pleasure and instinct},
	publisher = {Routledge,},
	year = {1999.},
	series = {International library of psychology. Physiological psychology},
	address = {London :},
	note = {Originally published: London : Kegan Paul Trench Trubner and Company Ltd, 1930.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=2003787}
}