Journey beyond selene : remarkable expedition past our moon and to the ends of the solar system

Yearbook on space policy 2017: security in outer space: rising stakes for civilian space programmes

Space stations present and future : proceedings of the 25th International Astronautical Congress, Amsterdam, the Netherlands, 30 September-5 October, 1974 / editor, L.G. Napolitano, P. Contensou and W.F. Hilton

Space developments for the future of mankind/ edited by L.G. Napolitano

Astronautics for peace and human progress : proceeding of the Internatioanl Astronautical Congress, 29th, Dubrovnik, 1-8 October 1978