TY  - BOOK
ED  - United Nations. Department of International Economic and Social Affairs
TI  - Projection methods for integrating population variables into development planning
U1  - 000SD:312 
PY  - 1989///
CY  - New York
PB  - United Nations
KW  - Population
N1  - v1, module 1: Conceptual issues and methods for preparing demographic projections
ER  -