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Travis, I.L.: Applications of artificial intelligence to bibliographic classification (1989)
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Travis, I.L.: Knowledge-based systems in information work : a view of the future (1989)
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Travis, I.: Faceted classification in an online environment (1982)
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Travis, I.L.: Information architecture practice : an introduction (2000)
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Travis, B.E.; Waldt, D.C.: ¬The SGML implementation guide : a blueprint for SGML migration (1995)
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Guidarelli, N.M.: Subject data in the metadata record (2000)
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Shoham, S.; Kedar, R.: ¬The subject cataloging of monographs with the use of keywords (2001)
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Naves, M.M.L.: Analise de assunto : concepcoes (1996)
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Langridge, D.W.: Subject analysis : principles and procedures (1989)
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Zeng, M.L.; Gracy, K.F.; Zumer, M.: Using a semantic analysis tool to generate subject access points : a study using Panofsky's theory and two research samples (2014)
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