Ashford, D.(1992). UK policy and reducing the cost of human spaceflight. Space Policy, 8(1), 91-92. doi:10.1016/0265-9646(92)90017-p
MLA CitationAshford, David. "UK Policy and Reducing the Cost of Human Spaceflight". Space Policy, 8.1 ( 1992 ): 91-92.
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