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He published the essay collections Med sordin og kanon and Helse og rettferdighet in 1990 , 0-visjonen in 2003 , and Nokpunktet in 2008 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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