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DETart: DET TV - #cool #Interview at #CCW in #Berlin
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DETart: Detlev Artelt and his books.
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DETart: Die Tour Guides der Call Center World 2013
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DETart: Detlev LIVE on stage @ eco Institution in @cologne
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DETart: Had a Meeting with #ALICE at #CERN in #Geneva
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DETart: The #alice Experiment at #CERN 60m under Earth Level
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DETart: Portrait_Artelt_4Print_1250_breit
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DETart: DET_mit_Mikro
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DETart: After my speech at CCW2017 - Kamelle for the people