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Koryconski, C.; Newell, A.F.: Natural-language processing and automatic indexing (1990)
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Stanley, J.: Reference librarian as cataloguer : analytical indexing as front-end reference (1995)
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Wellisch, H.H.: Incunabula indexes (1994)
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Broccoli, K.; Ravenswaay, G.V.: Web indexing : anchors away! (2000)
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Melton, J.S.: ¬A use for the techniques of structural linguistics in documentation research (1965)
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