@book{70729,
	author = {Lavrov, S. B. and Sdasi︠u︡k, G. V.},
	title = {Concepts of regional development /},
	publisher = {Progress Publishers,},
	year = {c1988.},
	address = {Moscow :},
	note = {Title on verso t.p.: Kont︠s︡ept︠s︡ii regionalʹnogo razvitii︠a︡.}
}