TY  - BOOK
AU  - Boserup, E
TI  - The condition of agricultural growth: the economics of agrarian change under population pressure
SN  - 1853831594
AV  - S441.A4.B67 1965 
PY  - 1965///
CY  - London
PB  - Earthsean
KW  - Agricultural surreys
KW  - agrarian system
ER  -