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author's%3a%22Van joolingen%2c W.%22 1
authors%3a%22Van joolingen%2c W.%22 1

Spitzer, M.: Digitale Demenz : wie wir uns und unsere Kinder um den Verstand bringen (2012) 0.01

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Classification: IBUG (W)
GHBS: IBUG (W)