Actions for Radio frequency control in space telecommunications : prepared at the request of Lyndon B. Johnson, chairman, for the use of the Committee on Aeronautical and Space Sciences, United States Senate
Radio frequency control in space telecommunications : prepared at the request of Lyndon B. Johnson, chairman, for the use of the Committee on Aeronautical and Space Sciences, United States Senate / by Edward Wenk, Jr., senior specialist in science and technology, Legislative Reference Service, the Library of Congress