Humans to Mars : fifty years of mission planning, 1950-2000
David S F Portree, United States. National Aeronautics and Space Administration. History Office出版社:
NASA History Division Office of Policy and Plans
语言:
english
页:
151
系列:
Monographs in aerospace history, no. 21.; NASA SP, 4521
文件:
PDF, 2.41 MB
IPFS:
,
english0