"2002Z"^^ . "1948Z"^^ . "Per Bak (December 8, 1948 \u2013 October 16, 2002) was a Danish theoretical physicist who coauthored the 1987 academic paper that coined the term \"self-organized criticality.\""@en . . . . . . . "Bak, Per"@en . "Per Bak"@en . . . . "2002-10-16Z"^^ . . . . . "Danish physicist" . . "1948-12-08Z"^^ . .