U.S. imports of merchandise [electronic resource] : Statistical month - February, 2013 : 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, 2013. - 1 DVD ; 12 cm.. - (V1-F09-IR02-13-US1)[MFN: 4163]