Slow Boat to Centauri: A Millennial Journey Exploiting Resources Along the Way
100 YEAR STARSHIP STUDY 2011: EXTRAS - A Bridge to Far
Creating Long Term Income Streams for the 100 Year Starship Study Initiative
FOR MESSAGING - Sending Signals into Space: Is it Really a Bad Idea?
The Ariane 5 from a Technical Point of View: The Ariane 5 ECA Versus its Early 5G Version
HyPlane for Space Tourism and Business Transportation