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Zijlstra, B.H.A.: History of US STI and subject categories (1994)
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NASA thesaurus (1994)
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Buchan, R.L.: Quality indexing with computer-aided lexicography (1992)
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Pattie, L.-y.W.: Henriette Davidson Avram, the great legacy (1998)
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Tramdack, P.J.: Z39.50 and the promise of open systems (1994)
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