TY - BOOK AU - Johnson, Harold J ED - General Accounting Office, GAO TI - Export controls : national security risks and revisions to controls on computer systems T2 - GAO testimony, GAO/T-NSIAD-00-139 PY - 2000/// CY - Washington, DC KW - USA KW - export control KW - computers KW - information technology KW - dual-use technology KW - national security KW - official publication ER -