Aircraft collision avoidance systems : Hearing before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-second Congress, first session. August 3, 1971.
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| Format: | Government Document Book |
| Language: | English |
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Washington :
U.S. Govt. Print. Off.,
1971.
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| Physical Description: | iv, 384 pages : illustrations ; 24 cm. |
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