TY  - BOOK
AU  - Boserup,Ester   .
TI  - Population and technological change : a study of long-term trends / 
U1  - 306.62 
PY  - 1981///
CY  - Chicago : 
PB  - The University of Chicago , 
KW  - POPULATION
N1  - Includes index and bibliography
ER  -