TY - JOUR T1 - Opportunities for data base reorganization JF - ACM SIGMOD Record Y1 - 1974 A1 - Shneiderman, Ben VL - 6 SN - 0163-5808 UR - http://doi.acm.org/10.1145/983082.983083 CP - 4 M3 - 10.1145/983082.983083 ER -