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Bakewell, K.G.B.; Rowland, G.: Indexing and abstracting (1993)
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Wellisch, H.H.: Book and periodical indexing (1994)
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Kaskus, M.A.: Indexing in theory and practice (1996)
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Clarke, M.: Retrieving information from scientific periodicals (1996)
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Poulin, M.: Electronic journals : a bibliography (1998)
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