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SUR UN CRITERE DE PERTINENCE DANS LES SYSTEMES A INTERACTION UTILISATEUR-SYSTEMEELTARENKO EA.1973; NAUCH.-TEKH. INFORM., 2; S.S.S.R.; DA. 1973; NO 2; PP. 6-7; ABS. ANGL.; BIBL. 2REF.Serial Issue

INSPEC SDI INVESTIGATION 1967-1969. IIICLAGUE P.1971; LONDON; INST. ELECTR. ENG.; DA. 1971; VOL. 3; PP. (112P.); ISBN 0852964056Miscellaneous

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THE MEDLARS DEMAND SEARCH QUALITY CONTROL PROGRAMJENKINS GT.1972; BULL. MED. LIBRARY ASS.; U.S.A.; DA. 1972; VOL. 60; NO 3; PP. 423-426; BIBL. 1REF.Serial Issue