TY - BOOK ED - U.S. Census Bureau. TI - U.S. merchandise trade PY - 1991///- CY - Washington D.C. PB - U.S. Dept. of Commerce, Bureau of the Census KW - Imports KW - Local KW - Exports N1 - "FT920" UR - http://purl.access.gpo.gov/GPO/LPS63964 ER -