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Allen, D.P.: Evaluating hybrid systems (1997)
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Lardera, M.; Hjoerland, B.: Keyword (2021)
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Shen, Z.: CJK: the unique need of Chinese, Japanese, and Korean language cataloging (1993)
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Milosavljevic, M.; Oberlander, J.: Dynamic catalogues on the WWW (1998)
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Wellisch, H.H.: Book and periodical indexing (1994)
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