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Wormell, I.: Factual data retrieval according to SAP-technique (1983)
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Wormell, I.: Factual data retrieval according to SAP technique (1983)
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Ingwersen, P.; Wormell, I.: Modern indexing and retrieval techniques matching different types of information needs (1989)
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- Source
- International forum on information and documentation. 14(1989), S.17-22