TY  - BOOK
T1  - Age and sex patterns of mortality model life-tables for under-developed countries.
T2  - United Nations. Publications. Sales no.
LA  - English
PP  - New York
PB  - United nations Dept. of Social Affairs, Population Branch
YR  - 1955
UL  - https://tuklas.up.edu.ph/Record/UP-99796217601695799
OP  - 28
NO  - United Nations. [Document] ST/SOA/Ser. A/22. Population studies. no. 22
CN  - HF 1531 U5
KW  - Life tables.
ER  -