共 6 条
- [1] BIRNBAUM H, 1960, CIRCULATION CONTROL
- [2] *IBM CORP, 1962, CIRC CONTR REL APPL
- [3] Quigley M, 1941, LIBR J, V66, P1065
- [4] RAY R, 1963, NSFGN31 J HOPK U REP
- [5] SCHULTHEISS LA, 1962, ADV DATA PROCESSING
- [6] TRUESWELL RW, 1964, THESIS NW U