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The first bibliometric law appeared in Alfred J. Lotka's 1926 examination ofauthor productivity in chemistry and physics. The result is that theproductivity distribution is thought to be described by a power law. In thispaper, Lotka's original data on author productivity in chemistry isreconsidered by comparing the fit of the data to both a discrete power law anda discrete power law with exponential cutoff.

Discrete power law with exponential cutoff and Lotka's Law