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本书出版於第二次世界大战中叶的1945年,著者C.K.Leith系美国韦斯康新大学地质学教授,亦研究世界矿物之权威,对矿学防止战争之关系,素感兴趣,本著非仅Leith个人之著作·实为与美国许多经济专家合作集体研究之结果,原著中文译
This book was published in the middle of the Second World War in 1945 by CKLeith, a professor of geology at Weskan University in the United States. He also studied the authority of the world’s minerals and the interest in mineralogy to prevent war. Only Leith’s personal work is actually the result of a collective study with many U.S. economic experts. The original Chinese translation