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Projections of the Population of the U.S.S.R., by Age and Sex, 1969-1990

其他書名	1960-1970
出版	U.S. Department of Commerce, Bureau of the Census, 1960
URL	http://books.google.com.hk/books?id=rYXso9XK1AMC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN