TY  - BOOK
AU  - Grigg, David B.
TI  - Population growth and agrarian change; an historical perspective
T2  - Cambridge Geographical studies
U1  - 312 
PY  - 1980///
CY  - London
PB  - Cambridge University
KW  - Agricultura
KW  - Aspectos economicos
KW  - Historia
KW  - Europa
KW  - Cambio social
KW  - Demografía
ER  -