NASA's space science and applications program. A statement presented to the Committee on Aeronautical and Space Sciences, United States Senate, April 20, 1967, by Homer E. Newell.
"The material in this booklet is a reprint of a portion of that which was prepared by NASA's Office of Space Science and Applications for presentation...
"The material in this booklet is a reprint of a portion of that which was prepared by NASA's Office of Space Science and Applications for presentation to the Congress."