@book{200979,
	author = {Valenteĭ, D. I.},
	title = {The Theory of population :},
	publisher = {Progress Publishers,},
	year = {1978.},
	address = {Moscow :},
	note = {Translation of Marksistsko-leninskai︠a︡ teorii︠a︡ narodonaselenii︠a︡.}
}