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Oversight, Lewis Research Center hearing before the Subcommittee on Space Science and Applications of the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, first session, September 13, 1977
- "Oversight, Lewis Research Center : hearing before the Subcommittee on Space Science and Applications of the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, first session, September 13, 1977"
- "Oversight, Lewis Research Center hearing before the Subcommittee on Space Science and Applications of the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, first session, September 13, 1977"@en
- "Oversight, Lewis Research Center hearings before the Subcommittee on Space Science and Applications of the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, first session, September 13, 1977"@en