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.
United States.Congress.House.Committee on Science and Technology.Subcommittee on Space Science and Applications.
Washington : U.S. Govt. Print. Off.,
1978.
"No. 46."
Lewis Research Center.
Aeronautics