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Reference: Donation for Active Sitting: Löffler Ergo Stools Enhance Concentration at Munich School

Reference: Ergo at home

Reference: Make a Löffler chair your Löffler chair

Reference: Hirtenmuseum, Hersbruck

Reference: Ludwig-Maximilians-University, Munich

Reference: Kenniscentrum Sport en Bewegen, Utrecht

Reference: NRC Amsterdam

Reference: Engel & Völkers in Belgium

Reference: BBRZ Linz, Austria