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Hug, H.; Nöthiger, R.: ETHICS: an online public access catalogue at ETH-Bibliothek, Zürich (1988)
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Nöthiger, R.: ETHICS: Projektübersicht (1988)
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Nöthiger, R.: ETHICS: das automatisierte Bibliothekssystem der ETH-Bibliothek (1984)
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Weber, A.; Nöthiger, R.: ETHICS: ETH Library Information Control System : an online public access catalogue at the ETH-Bibliothek, Zürich, Switzerland (1988)
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