TY  - GEN
AU  - DUNCAN, Otis Dudley (Ed.)
AU  - SPENGLER, Joseph J.
TI  - Population Theory and Policy: Selected Readings
U1  - 304.6/SPE 
PY  - 1956///
CY  - ILLINOIS
PB  - The Press Press
N1  - POPULATION GROWTH&ECONOMIC DEV; POPULATION POLICY; POPULATION THEORY
ER  -