TY  - BOOK
AU  - Clark, Colin 
AU  - Haswell, Margaret Rosary 
TI  - The economics of subsistence agriculture
U1  - 338.1 
PY  - 1967///
CY  - [Tronto] : 
PB  - UT Back-in-Print Service, 
KW  - 	 Agriculture -- Economic aspects
N1  - Index present
ER  -