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Zipf distribution of U.S. firm sizes.
Axtell RL. Axtell RL. Science. 2001 Sep 7;293(5536):1818-20. doi: 10.1126/science.1062081. Science. 2001. PMID: 11546870
Employment growth through labor flow networks.
Guerrero OA, Axtell RL. Guerrero OA, et al. Among authors: axtell rl. PLoS One. 2013 May 2;8(5):e60808. doi: 10.1371/journal.pone.0060808. Print 2013. PLoS One. 2013. PMID: 23658682 Free PMC article.