- Power law research - Story and other
- Journal of Quantitative Linguistics 12(1):29-40 (2005)
- Biometrika 42(3/4):425 (1955)
- Europhysics Letters 76(2):208-214 (2006)
- submitted to Internet Mathematics (2004)
- Internet Mathematics 1(2):226-251 (2004)
- Journal Journal of mathematical psychology 21(1):53-65 (1980)
- ACL, page 271-278. (1991)


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