TY  - BOOK
AU  - Spengler,Joseph J.
TI  - Population change, modernization, and welfare
T2  - Modernization of traditional societies series
SN  - 0-13-687152-6
AV  - HB871 S63
PY  - 1974///
CY  - Englewood cliffs, n. j.
PB  - Prentice Hall
KW  - Población
KW  - Países en desarrollo
ER  -