共 9 条
[2]
DEMUTH HB, 1956, 524102 STANF RES I R
[3]
HIBBARD TN, 1962, J ACM, V9, P25
[4]
HIBBARD TN, 1962, TM71800001 SYST DEV
[6]
Hoare C. A. R., 1961, COMMUN ACM, V4, P321, DOI [DOI 10.1145/366622.366647, DOI 10.1145/366622.366644]
[7]
LAZARUS R, 1960, COMMUN ACM, V3, P20
[8]
SHELL DL, 1959, COMM ACM, V3, P30