@book{178752,
	author = {United Nations Industrial Development Organization.},
	title = { Monographs on appropriate indusrtial technolohy :},
	publisher = {United Nations,},
	year = {1979.},
	series = {Monographs on appropriate industrial technology ;},
	address = {New York :},
	note = {At head of title: United Nations Industrial Development Organization, Vienna.}
}