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φυσικό πρόσωπο
Per Bak (8 December 1948 – 16 October 2002) was a Danish theoretical physicist who coauthored the 1987 academic paper that coined the term "self-organized criticality."
Wikipedia contributors. "Per Bak." Wikipedia, The Free Encyclopedia, 9/21/2024, 5:05:01 PM. Web. 9/22/2024, 7:57:27 AM.