@book{156153,
	author = {Maisels, Charles Keith. and ebrary, Inc.},
	title = {The emergence of civilization},
	publisher = {Routledge,},
	year = {1993.},
	address = {London ;},
	note = {First published in paperback 1993.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10101183}
}