共 39 条
[2]
ALEXANDER KL, 1975, ADOLESCENCE LIFE CYC, P171
[3]
PROPORTIONAL HAZARDS MODEL - APPLICATIONS IN EPIDEMIOLOGY
[J].
COMMUNICATIONS IN STATISTICS PART A-THEORY AND METHODS,
1978, 7 (04)
:315-332
[5]
TEENAGE MOTHERS AND TEENAGE FATHERS - IMPACT OF EARLY CHILDBEARING ON PARENTS PERSONAL AND PROFESSIONAL LIVES
[J].
FAMILY PLANNING PERSPECTIVES,
1978, 10 (04)
:199-205
[6]
COX DR, 1972, J R STAT SOC B, V34, P187
[7]
*CTR HUM RES RES, 1987, NAT LONG SURV HDB
[8]
TIMING FIRST BIRTH - DOES IT MATTER
[J].
JOURNAL OF MARRIAGE AND THE FAMILY,
1973, 35 (04)
:585-595
[9]
ELDER GH, 1984, LIFE COURSE DYNAMICS
[10]
ENSMINGER ME, 1987, RISKING FUTURE ADOLE, V2, P36