ISBN 978-0-08044-731-5 .https://archive.org/details/Non-rocketSpaceLaunchAndFlight,==External links==* The Space Elevator Reference* Space Elevator Engineering-Development wiki* Audacious & Outrageous: Space Elevators* Ing-Math.Net (Germany) – Ing-Math.Net (German Max-Born Space Elevator Team 2006) (German)* Project of the Scientific Workgroup for Rocketry and Spaceflight(WARR) (German)* The Economist: Waiting For The Space Elevator (June 8, 2006 – subscription required)* CBC Radio Quirks and Quarks November 3, 2001 "Riding the Space Elevator"* Times of London Online: Going up ... and the next floor is outer space* "The Space Elevator: 'Thought Experiment', or Key to the Universe?".
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