共 11 条
[1]
Edin K. A., 1935, STUDIES DIFFERENTIAL
[2]
GLOVER JG, 1921, US LIFE TABLES 1890, P144
[3]
VARIATIONS IN BIRTH RATES ACCORDING TO OCCUPATIONAL STATUS, FAMILY INCOME, AND EDUCATIONAL ATTAINMENT
[J].
MILBANK MEMORIAL FUND QUARTERLY,
1938, 16 (01)
:39-56
[6]
KISER CV, 1933, HUM BIOL, V5, P256
[7]
*NAT RES COMM, 1937, POP STAT 1 NAT DAT, P40
[8]
*NAT RES COMM, 1937, POP STAT 2, P39
[9]
PEARL R., 1934, HUMAN BIOL, V6, P355