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Fugmann, R.; Braun, W.; Vaupel, W.: GREMAS: ein Weg zur Klassifikation und Dokumentation in der Organischen Chemie (1963)
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Fugmann, R.; Nickelsen, H.; Nickelsen, I.; Winter, J.H.: TOSAR: ein topologisches Verfahren zur Wiedergabe von synthetischen und analytischen Relationen von Begriffen (1970)
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