共 23 条
[1]
Bradford S. C., 1948, DOCUMENTATION
[4]
BROOKES BC, 1980, THEORY APPL INFORM R, P106
[5]
BROOKES BC, 1982, STUDIES ZIPFS LAW, P65
[9]
KENDALL MG, 1960, OPERATIONS RES Q, V2, P21
[10]
Kneale W. C., 1949, PROBABILITY INDUCTIO