1.
Population Studies. 1987; (35): 63-79
in English
| IMEMR
| ID: emr-9699
2.
3.
Population Studies. 1987; (35): 25-45
in English
| IMEMR
| ID: emr-9701
4.
Population Studies. 1986; (32): 16-35
in English
| IMEMR
| ID: emr-8027