@book{64778,
	author = {Preston, Samuel H. and ebrary, Inc.},
	title = {Population and land use in developing countries},
	publisher = {National Academy Press,},
	year = {1993.},
	address = {Washington, DC :},
	note = {Committee chairman: Samuel H. Preston.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10055328}
}