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- 81602807 contributor B4144772.
- 81602807 created "1981.".
- 81602807 date "1981".
- 81602807 date "1981.".
- 81602807 dateCopyrighted "1981.".
- 81602807 extent "iii, 439 p. :".
- 81602807 issued "1981".
- 81602807 issued "1981.".
- 81602807 language "eng".
- 81602807 publisher "Washington : U.S. G.P.O.,".
- 81602807 spatial "United States".
- 81602807 spatial "United States.".
- 81602807 subject "629.136/6 19".
- 81602807 subject "Aeronautics United States Safety measures.".
- 81602807 subject "Air traffic control United States.".
- 81602807 subject "Airplanes Collision avoidance.".
- 81602807 subject "KF27 .S3997 1981b".
- 81602807 title "Aircraft collision avoidance systems : hearing before the Subcommittee on Transportation, Aviation, and Materials of the Committee on Science aand Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, March 31, April 3, 1981.".
- 81602807 type "text".