共 20 条
[2]
BABCOCK JM, 1962, RURAL SOCIOL, V27, P332
[3]
BERKSON JOSEPH, 1953, JOUR AMER STATIST ASSOC, V48, P565, DOI 10.2307/2281010
[4]
Davis HaroldT., 1941, ANAL EC TIME SERIES
[10]
OLIVER FR, 1964, APPLIED STATISTICS, V13, P57