TY  - BOOK
AU  - Pitchford,J.D.
TI  - Population in economic growth
U1  - 301.32018 
PY  - 1974///
CY  - Amsterdam, The Netherlands
PB  - North-Holland Pub. Co.
KW  - Population
KW  - Mathematical models
KW  - Economic development
N1  - Includes index
ER  -