平成15年4月 韓国資源環境地質学会シンポジウムにて招待講演
（１）学会名・開催日・開催場所
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The Korea Society of Economic and Environmental Geology, held in Jeon-Nam National University on April 25-26, 2003. |
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Y. Shiga（2003.4
） 「The current situation of mining and smelting and the mineral policy of Japan」, Symposium of the Korea Society of Economic and Environ-mental Geology held in Jeon-Nam National University on April 25-26, 2003, pp.32〜36. |
