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Vogt, F.; Wille, R.: TOSCANA - a graphical tool for analyzing and exploring data (1995)
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Scheich, P.; Skorsky, M.; Vogt, F.; Wachter, C.; Wille, R.: Conceptual data systems (1993)
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Rusch, A.; Wille, R.: Knowledge spaces and formal concept analysis (1996)
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Ganter, B.; Wille, R.: Formal concept analysis : mathematical foundations (1998)
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- Footnote
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Groh, B.; Strahringer, S.; Wille, R.: TOSCANA-systems based on thesauri (1998)
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Vogt, F.; Wille, R.: TOSCANA - a graphical tool for analyzing and exploring data (1995)
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Luksch, P.; Wille, R.: ¬A mathematical model for conceptual knowledge systems (1991)
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