共 48 条
[1]
ANDREWS DD, 1957, ADV DOCUMENTATION LI, V2, P447
[2]
AVAKIAN EA, 1957, SPEC LIBR, V48, P145
[3]
Bailey MF, 1953, J PATENT TRADEMARK, V35, P566
[4]
BALL NT, 1955, AM DOC, V6, P88
[5]
BATTEN W. E., 1951, PUNCHED CARDS, P169
[7]
A System of Codification of Medical Diagnoses for Application to Punch Cards, With a Plan of Operation
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1936, 26 (06)
:606-612
[8]
CASEY RS, 1958, PUNCHED CARDS THEIR
[9]
CAWKELL AE, ELECTRONIC ENGINEE 1, V39, P212
[10]
CAWKELL AE, INFORMATION PROCESSI, V11, P243