by United States. Congress. House. Committee on Science and Astronautics.
The Practical Values of Space Exploration
Report of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-Sixth Congress, Second Session
en
~2 hours (138K characters)
Project Gutenberg
Produced by Audrey Longhurst, Janet Blenkinship and the Online Distributed Proofreading Team at http://www.pgdp.net