Author:
Klemm Gregor,Markkanen Sini
Reference17 articles.
1. Aldrin, A., et al. (2002), CASH 2021: Commercial access and space habitation, 51, 637–646
2. An, W., et al. (2001), Dreams and realities: the challenges facing developmentof spacetourism, Space Policy, 17, 133–140
3. Ansari X Prize (n.d.), X Prize Foundation Web site, URL:
www.space.xprize.org/ansari-x-prize
, Access Date: 03/01/09
4. Billings, L. (2006), Exploration for the masses? Or joyrides for the ultra-rich? Prospects for space tourism, Space Policy, 22, 162–164
5. Boyle, A. (2006), Space tourism prophets predict profits – new space race, msnbc.com Web site, URL:
www.msnbc.msn.com/id/15303947
/, Access Date: 20/12/08
Cited by
2 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献