1989

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Bibliometric modeling processes and the empirical validity of Lotka's Law
Paul Travis Nicholls
1989 Volume 40 Issue 6

1988

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Price's square root law: Empirical validity and relation to Lotka's law
Paul Travis Nicholls
1988 Volume 24 Issue 4

1987

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Estimation of Zipf parameters
Paul Travis Nicholls
1987 Volume 38 Issue 6

1986

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Empirical validation of Lotka's law
Paul Travis Nicholls
1986 Volume 22 Issue 5

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