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Die wirtschaftliche und soziale Entwicklung im Grenzraum Saar-Lor-Lux
Augustin, Christian, (1978)
Almanac of China's economy, TM, 1981 : with economic statistics for 1949-1980. Comp. by The Economic Research Centre; the State Council of the People's Republic of China and the State Statistical Bureau
Muqiao, Xue, (1982)
State and county economic data for Arkansas
(1970)