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Wheatley, A.: ¬A manual on printed subject indexes : report to the British Library Research and Development Department on Project SI/G/243 (1978)
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- 28. 5.2007 19:29:37
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Lancaster, F.W.: Vocabulary control for information retrieval (1986)
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- 22. 4.2007 10:07:51
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Foskett, A.C.: ¬The subject approach to information (1996)
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- 25. 7.2002 21:22:31
