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Thompson, N.J.: Intellectual property materials online/CD-ROM : what and where (1992)
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Walden, I.: Electronic documentation and the law (1993)
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Vacek, G.: Japanese patent information (1994)
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White, M.J.: Patents and patent searching (2009)
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Cetintas, S.; Si, L.: Effective query generation and postprocessing strategies for prior art patent search (2012)
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