Zhao, Y.(2004). The 1972 Liability Convention: Time for revision?Space Policy, 20(2), 117-122. doi:10.1016/j.spacepol.2004.02.008
MLA CitationZhao, Yun. "The 1972 Liability Convention: Time for Revision?" Space Policy, 20.2 ( 2004 ): 117-122.
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