00642nam a2200193 a 4500 1/507 010322s1984 enk b 0 eng d 0444851879 521 DLC GR-PeUP 005.1 KE Kent, William, 1936- Data and reality : basic assumptions in data processing reconsidered / William Kent Amsterdam : North-Holland Pub., 1984 211 p. ; 24 cm. Includes bibliography Data base management. Data structures (Computer science). INST UNIPILB MAIN 20040709 005.1 KE 00126843 00126843 LOAN 0 1