| ![](thumb.php?src=products/902/9789027703064.jpg&wmax=80&hmax=80) | Astronautical Research 1971: Proceedings of the 22nd Congress of the International Astronautical Federation Brussels, 20-25 September 1971 1973 Edition (Proceedings of the 22d Congress of the International Astrona) | Napolitano, L. G. | Hardcover | 902770306X / 9789027703064 | 06/1973 | $94.05 |