@book{70744,
	author = {Organisation for European Economic Co-operation.},
	title = {Demographic trends, 1956-1976, in Western Europe and in the United States = L'évolution démographique de 1956 á 1976 en Europe occidentale et aux Êtats-Unis},
	publisher = {Organisation for European Co-operation,},
	year = {1961.},
	address = {[Paris] :}
}