Die Geschichte der Deutschen [electronic resource] : von 1871 bis heute. - Munchen : Digital publ., 2002. - 2 DVDs ; 12 cm.. - (Spiegel online). - ISBN 3-89747-175-2[MFN: 3733]
U.S. imports of merchandise [electronic resource] : Statistical month - October, 2010 : International harmonized system commodity classification (HTSUSA) by country, by customs district / U.S. Department of Commerce ; Economics and statistics administration. - Washington : U.S. Census Bureau, 2010. - 1 DVD ; 12 cm.. - (V1-F10-IR08-09-US1)[MFN: 3737]
U.S. imports of merchandise [electronic resource] : Statistical month - August, 2010 : International harmonized system commodity classification (HS-Based Schedule B) by country, by customs district / U.S. Department of Commerce ; Economics and statistics administration. - Washington : U.S. Census Bureau, 2010. - 1 DVD ; 12 cm.. - ((V1-F10-ERO8-09-US1))[MFN: 3738]
U.S. imports of merchandise [electronic resource] : Statistical month - April, 2011 : International harmonized system commodity classification (HTSUSA) by country, by customs district / U.S. Department of Commerce ; Economics and statistics administration. - Washington : U.S. Census Bureau, 2011. - 1 DVD ; 12 cm.. - (V1-F11-IRO4-09-US1)[MFN: 3739]