TY  - BOOK
TI  - Manuals on methods of estimating population
U1  - 312 
PY  - 1971///
CY  - New York
PB  - UN
KW  - Demography
N1  - Vol. 5 has series statement : population studies, No. 46. Contents. - v.5. methods of projecting the economically active population
ER  -