Civil applications of the tilt rotor : joint hearing before the Subcommittee on Transportation, Aviation and Materials of the Committee on Science, Space and Technology and the Subcommittee on Aviation of the Committee on Public Works and Transportation, U.S. House of Representatives, one hundredth Congress, first session, November 18, 1987.
United States.Congress.House.Committee on Science, Space, and Technology.Subcommittee on Transportation, Aviation, and Materials.
United States.Congress.House.Committee on Public Works and Transportation.Subcommittee on Aviation.
Washington : U.S.G.P.O.,
1988.
No. 100-68
Rotors (Helicopters)