"Nonproliferation of nuclear weapons. Hearings, Eighty-ninth Congress, second session, on S. Res. 179"@en . . . "Nonproliferation of nuclear weapons : Hearings, Eighty-ninth Congress, second session, on S. Res. 179. February 23, and March 1 and 7, 1966" . . . . . . . . . . "Nonproliferation of nuclear weapons hearings before the Joint Committee on Atomic Energy"@en . . "Nonproliferation of nuclear weapons Hearings, Eighty-ninth Congress, second session, on S. Res. 179. February 23, and March 1 and 7, 1966"@en . "Nonproliferation of nuclear weapons. Hearings, Eighty-ninth Congress, second session, on S. Res. 179. February 23, and March 1 and 7, 1966" . . "Nonproliferation of nuclear weapons hearings befor the Joint Committee on Atomic Energy, Congress of the United States, eighty-ninth Congress, second session, on S. Res. 179, nonproliferation of nuclear weapons : February 23, and March 1 and 7, 1966"@en . . . "United States. Congress. Joint Committee on Atomic Energy," . .