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classification_ss:"302.2 / dc23"
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Handbuch Soziale Medien (2017)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm
classification_ss:"302.2 / dc23"
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm