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Folly, G.; Hajtman, B.; Nagy, J.I.; Ruff, I.: Some methodological problems in ranking scientists by citation analysis (1981)
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Fairthorne, R.A.: Bradford's law and perspective (1980)
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Nicholls, P.T.: Empirical validation of Lotka's law (1986)
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Fiala, J.: Information flood : fiction and reality (1987)
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Tsay, M.-Y.: ¬A bibliometric study of indexing and abstracting, 1876-1976 (1989)
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