共 6 条
[1]
*CODASYL, 1969, MAY TECHN REP
[2]
*CODASYL, 1971, MAY TECHN REP
[3]
FRY JP, 1976, ACM COMPUT SURV, V8, P7, DOI DOI 10.1145/356662.356664
[6]
1975, DATA PROCESSOR, V18, P6