TY - BOOK ED - General accounting office, GAO TI - Exports to Iran : US controls have recently been strengthened T2 - GAO briefing report, GAO/NSIAD-88-97BR PY - 1988/// CY - Washington , DC KW - arms trade KW - export control KW - USA KW - Iran KW - official publication UR - http://www.gao.gov/browse/date/week ER -