ISBN 1678087106 books & textbook
Space Elevators, The Green Road to Space
Eddy, Jerry Swan, Peter Swan, Cathy Phister, Paul Dotson, David Bernard-Cooper, Joshua Molloy, Bert Eddy, Jerry
Lulu.com /2021-04-04 Paperback / 137 Pages
isbn-10: 1678087106 / isbn-13: 9781678087104
