De Maria, Michelangelo |
Europe in space : Edoardo Amaldi and the inceptiom of ESRO / by Michelangelo de Maria |
Noordwjik : ESA, European space agency, 1993. |
De Maria, Michelangelo |
The history of ELDO / by Michelangelo de Maria |
Noordwjik : ESA, European space agency, 1993. |