共 6 条
[2]
VAUGHAN B, UNPUBLISHED
[3]
SECULARIZATION OF UNITED-STATES CATHOLIC BIRTH-CONTROL PRACTICES
[J].
FAMILY PLANNING PERSPECTIVES,
1977, 9 (05)
:203-207
[5]
WESTOFF CF, 1963, 3RD CHILD, P42
[6]
WESTOFF CF, DEMOGRAPHY, V16, P209