Composite CIPO datafile, 1982
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下载链接：
https://abacus.library.ubc.ca/dataset.xhtml?persistentId=hdl:11272.1/AB2/T6CTEW
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资源简介：
UBC Department of Political Science, 2009, "Composite CIPO datafile, 1982", https://hdl.handle.net/11272.1/AB2/T6CTEW, Abacus Data Network, V1
