Wu, X., Cercone, N., & Ichikawa, T. (1996). Knowledge-base assisted database retrieval systems. World Scientific.
Chicago-viite (17. p.)Wu, Xu, Nick Cercone, ja Tadao Ichikawa. Knowledge-base Assisted Database Retrieval Systems. Singapore: World Scientific, 1996.
MLA-viite (9. p.)Wu, Xu, et al. Knowledge-base Assisted Database Retrieval Systems. World Scientific, 1996.
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