共 17 条
[2]
Christ, 1963, MEASUREMENT EC STUDI, P138
[3]
GRAYBILL FA, 1961, INTRO LINEAR STATIST
[7]
MEHTA JS, REVIEW INT STATISTIC
[8]
MITRA SK, 1968, SANKHYA A, V30, P281
[9]
Nerlove Marc., 1967, ECON STUD QUART, V18, P42