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Smith, T.R.; Zeng, M.L.: Concept maps supported by knowledge organization structures (2004)
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Smith, T.R.; Zeng, M.L.; ADEPT Knowledge Organization Team: Structured models of scientific concepts for organizing, accessing, and using learning materials (2003)
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Hill, L.L.; Carver, L.; Larsgaard, M.; Dolin, R.; Smith, T.R.; Frew, J.; Rae, M.-A.: Alexandria Digital Library : end user evaluation studies and system design (2000)
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