Tegengren, F. R. (1921). The iron ores and iron industry of China: Including a summary of the iron situation of the circum-Pacific region. Geological Survey of China, Ministry of Agriculture and Commerce.
Citace podle Chicago (17th ed.)Tegengren, Felix Reinhold. The Iron Ores and Iron Industry of China: Including a Summary of the Iron Situation of the Circum-Pacific Region. Peking: Geological Survey of China, Ministry of Agriculture and Commerce, 1921.
Citace podle MLA (8th ed.)Tegengren, Felix Reinhold. The Iron Ores and Iron Industry of China: Including a Summary of the Iron Situation of the Circum-Pacific Region. Geological Survey of China, Ministry of Agriculture and Commerce, 1921.
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