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Voorbij, H.: Title keywords and subject descriptors : a comparison of subject search entries of books in the humanities and social sciences (1998)
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Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983)
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Gödert, W.; Liebig, M.: Maschinelle Indexierung auf dem Prüfstand : Ergebnisse eines Retrievaltests zum MILOS II Projekt (1997)
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McJunkin, M.C.: Precision and recall in title keyword searching (1995)
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Turner, T.P.; Brackbill, L.: Rising to the top : evaluating the use of HTML META tag to improve retrieval of World Wide Web documents through Internet search engines (1998)
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