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L3T_literatur L3T literatur openaccess socialtagging socialbookmarking informationsquelle L3T_2.0
L3T L3T_literatur literatur openaccess socialtagging socialbookmarking informationsquelle wiki L3T_2.0
L3T_literatur L3T literatur literaturverwaltung research socialbookmarking L3T_2.0
L3T_literatur literatur L3T literaturverwaltung research socialbookmarking L3T_2.0