@book{1228,
	author = {Leclerc, Ivor.},
	title = {Whitehead's metaphysics :},
	publisher = {Allen and Unwin,},
	year = {c1958.},
	address = {London,},
	url = {http://www.worldcat.org/title/whiteheads-metaphysics/oclc/220443067&referer=brief_results}
}