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He is the author of Meeting the Demands of Reason : The Life and Thought of Andrei Sakharov ( Ithaca , NY : Cornell University Press , 2009 ) and Vera Zasulich : A Biography ( Stanford , CA : Stanford University Press , 1983 ; Japanese edition , 1986 ) .
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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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