About SHELTON K L
About Univ. Missouri, Missouri, USA
About SO C-S
About Korea Univ., Seoul, KOR
About Resource Geology
About lead-zinc deposit
About barite deposit
About Metallic ore deposit
About Isotope geology
About 韓国
About 鉛
About 亜鉛
About 重晶石鉱床
About 水素
About 酸素同位体
About 研究