-
Frants, V.I.; Shapiro, J.; Voiskunskii, V.G.: Optimal search available to an individual user (1996)
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- Source
- Journal of information science. 22(1996) no.3, S.181-191
-
Frants, V.I.; Shapiro, J.; Taksa, I.; Voiskunskii, V.G.: Boolean search : current state and perspectives (1999)
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Frants, V.I.; Voiskunskii, V.G.; Shapiro, J.: Automated information retrieval : theory and methods (1997)
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