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s.a. - http://www.echo-online.de/nachrichten/hintergruende/sarrazin110110./Forscherteam-widerlegt-Thilo-Sarrazins-Thesen;art2638,1499088 - http://www.heymat.hu-berlin.de/sarrazin2010/ - http://idw-online.de/de/news387715 - http://www.die-linke.de/fileadmin/download/folder/sarrazin-broschuere.pdf