(1991). Military space operations: Satellite control system improved, but serious problems remain : report to the Chairman, Subcommittee on Strategic Forces and Nuclear Deterrence, Committee on Armed Services, U.S. Senate / United States General Accounting Office.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Military Space Operations: Satellite Control System Improved, but Serious Problems Remain : Report to the Chairman, Subcommittee on Strategic Forces and Nuclear Deterrence, Committee on Armed Services, U.S. Senate / United States General Accounting Office. 1991.
MLA -ийн эшлэл (9 дэх хэвлэлт)Military Space Operations: Satellite Control System Improved, but Serious Problems Remain : Report to the Chairman, Subcommittee on Strategic Forces and Nuclear Deterrence, Committee on Armed Services, U.S. Senate / United States General Accounting Office. 1991.