Evaluation of Development Costs and Possibilities of Direct Television Satellites
Possibilities of a European Launch Vehicle Programme for Payloads from 500 to 2000 Kg
A New Economic Concept for European Satellite Launch Vehicle Systems
The F7 Flight Test of the Europa 1 Satellite Launcher
Nuclear Reactors for Low Thrust Propulsion of Space Vehicles
Das post-apollo-programm und eine moegliche europaeische mitarbeit
Europa Launcher - Second Stage Coralie
European Industry and Space 1970 - Assessment of U S- Europe Cooperation