共 23 条
[3]
BLISCHKE WR, 1965, CLASSICAL CONTAGIOUS
[5]
ECKSTEIN Z, 1989, REV ECON STUD, V56, P375
[7]
Gotz G.A., 1984, DYNAMIC RETENTION MO
[8]
KALBFLEISCH JD, 1980, STATISTICAL ANAL FAI
[9]
KENDALL MG, 1976, ADV THEORY STATISTIC, V2