Zhou, W., Sornette, D., Hill, R., & Dunbar, R. (2005). Discrete hierarchical organization of social group sizes.
Chicago-čujuhus (17. p.)Zhou, W., D. Sornette, R. Hill, juo R. Dunbar. Discrete Hierarchical Organization of Social Group Sizes. 2005.
MLA-čujuhus (9. p.)Zhou, W., et al. Discrete Hierarchical Organization of Social Group Sizes. 2005.
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