TY - BOOK ED - General accounting office, GAO TI - Electronic warfare : multiple developments of costly threat simulators T2 - GAO report, GAO/NSIAD-88-93 PY - 1988/// CY - Washington, DC KW - USA KW - EW KW - research and development KW - costs KW - official publication UR - http://www.gao.gov/browse/date/week ER -