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Wormell, I.: Subject Access Project : the use of book indexes for subject retrieval systems in libraries (1981) 0.00

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Source: International forum on information and documentation. 6(1981), S.24-28

Ingwersen, P.; Wormell, I.: Modern indexing and retrieval techniques matching different types of information needs (1989) 0.00

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Source: International forum on information and documentation. 14(1989), S.17-22