Não informado. (1894). Geological literature added to the Geological Society's Library. Geological Society of London.
Citace podle Chicago (17th ed.)Não informado. Geological Literature Added to the Geological Society's Library. London: Geological Society of London, 1894.
Citace podle MLA (8th ed.)Não informado. Geological Literature Added to the Geological Society's Library. Geological Society of London, 1894.
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