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100 1 _aArdis, S. B.
245 0 0 _aDevelopment of a computer program to teach patent searching
650 _aProgramm
_93823
650 _aPatentdokumentation
_93575
773 0 _aWPI. 12(1990),2,76-80
_wz_WPI
999 _c4419
_d4419