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Hug, H.; Nöthiger, R.: ETHICS: an online public access catalogue at ETH-Bibliothek, Zürich (1988)
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- Source
- Program. 22(1988), S.133-142
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Hug, H.: Walser, M. : Retrieval in the ETH database using the UDC (1991)
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Hug, H.; Nöthiger, R.: Ethics (ETH library information control system) (1992)
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