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Felleman, J.: Symposium on geographic information systems : [Themenheft] (1990)
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Theory and foundation of information retrieval : [Themenheft] (1978)
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Studwell, W.E.; Hamilton, D.A.: LC Subject Headings for career material : a critique and some suggestions (1992)
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Electronic imaging and the visual arts 1994 : [Themenheft] (1994)
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Wissensrepräsentation : [Themenheft] (1989)
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