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The bibliography of Hans Martin Sutermeister includes a fictional novel and around 150 scientific articles , essays and books , some of them Investigative journalism written by the Swiss writer Hans Martin Sutermeister , pen name Hans Moehrlen ( 1907 – 1977 ) .
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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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