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Townley, H.M.; Gee, R.G.: Thesaurus-making : grow your own wordstock (1980)
10.09
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Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977)
10.09
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Lancaster, F.W.: Vocabulary control for information retrieval (1986)
10.09
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