Liquid Hydrogen Industry: A Key for Space Tourism
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[1] Patrick Collins. Towards Commercial Space Travel , 1993 .
[2] Gary C. Hudson. Phoenix - A commercial, reusable single-stage launch vehicle , 1985 .
暂无分享，去创建一个
[1] Patrick Collins. Towards Commercial Space Travel , 1993 .
[2] Gary C. Hudson. Phoenix - A commercial, reusable single-stage launch vehicle , 1985 .