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- author's%3a%22Piontek%2c S.%22 2
- authors%3a%22Piontek%2c S.%22 2
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Cuadra, C.A.; Katter, R.V.: Opening the black box of 'relevance' (1967)
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- Journal of documentation. 23(1967), S.291-303
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Katter, R.V.: Design and evaluation of information systems (1969)
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- Source
- Annual review of information science and technology. 4(1969), S.31-70