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Hertley, R.V.L.: Transmission of information (1928)
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- Source
- Bell system technical journal. 7(1928) S.535-553
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Kaiser, J.: Systematic indexing (1926)
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- Aslib proceedings. (1926), S.3-23
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Fellows, D.: Library of Congress Classification vs. decimal classification (1925)
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- Library journal. 50(1925), S.291-295
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Lotka, A.J.: ¬The frequency distribution of scientific productivity (1926)
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- Source
- Journal of the Washington Academy of Science. 16(1926) no.12, S.317-323