共 24 条
- [1] Andrews F., 1973, MULTIPLE CLASSIFICAT
- [2] [Anonymous], U NBER RES C SERIES, V11, P209
- [3] ARNOLD F, 1975, VALUE CHILDREN CROSS, V1
- [4] BLAKE J, 1973, SCI WORLD AFFAIRS, P279
- [5] BUTZ WP, 1977, R1605NIH RAND CORP M
- [6] COCHRANE SH, 1975, POP STUD-J DEMOG, V29, P373, DOI 10.1080/00324728.1975.10412706
- [9] Grabill Wilson H., 1958, FERTILITY AM WOMEN
- [10] Hoffman L.W., 1973, PSYCHOL PERSPECTIVES