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Lu, S.-j.: ¬A study on Chinese subject headings (1997)
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Prasher, R.G.: Index and indexing (1990)
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Dobreski, B.; Snow, K.; Moulaison-Sandy, H.: On overlap and otherness : a comparison of three vocabularies' approaches to LGBTQ+ identity (2022)
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Tang, M.-C.: Browsing and searching in a faceted information space : a naturalistic study of PubMed users' interaction with a display tool (2007)
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Ashton, J.; Kent, C.: New approaches to subject indexing at the British Library (2017)
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