@book{30161,
	author = {Lurii︠a︡, A. R.},
	title = {Cognitive development, its cultural and social foundations},
	publisher = {Harvard University Press},
	year = {1976.},
	address = {Cambridge, Mass.},
	note = {Translation of Ob istoricheskom razvitii poznavatelʹnykh prot︠s︡essov.}
}