@book{10501376,
	author = {Koval', N. S.},
	title = {Los primeros planes quinquenales de fomento económico de la URSS},
	publisher = {"Ed. de la Agencia de prensa "Nóvosti"},
	year = {1973},
	address = {M.},
	note = {На обл. авт. не указан}
}