徐光宪, 李标国, 严纯华, “串级萃取理论的进展及其在稀土工艺中的应用”, 稀土, 1, 56-67, (1985)

郝纪宁, 张丽萍, 严纯华, 李标国, 徐光宪, "Experimental Verification of Countercurrent Extraction Theory. Separation of La and Ce by HEH(EHP)", 《New Frontiers in Rare Earth Science and Applications》, 1. 442-445, Science Press, Beijing, China, (1985)

郝纪宁, 张丽萍, 严纯华, 李标国, 徐光宪, "Theory of Countercurrent Extraction and its Application in Rare Earth Extraction Industry",《New Frontiers in Rare Earth Science and Applications》, 1, 429-437, Science Press, Beijing, China, (1985)

李标国, 严纯华, 乔书平, 徐光宪, "Theory of Countercurrent Extraction VII. Dynamic Equilibrium in Three-component System",《New Frontiers in Rare Earth Science and Applications》, 1, 438-441, Science Press, Beijing, China, (1985) ; 中国稀土学报, 3(3), 20-26, (1985)

李标国, 严纯华, 乔书平, 徐光宪, “串级萃取理论VIII. 两组分串级萃取体系回流过程的研究”, 中国稀土学报, 4(2), 1-7, (1985)