株式会社極東書店トップ ＞ 商品一覧 ＞ International Minerals: A National Perspective.
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解説
The United States depends on foreign sources for many strategic and essential minerals. Secure supplies of such minerals are crucial to the nation's economic and military well-being, but federal policies with regard to these minerals have continued to vacillate. This volume considers the minerals availability issue from a number of perspectives. In