TY  - BOOK
AU  - Clark,Colin
AU  - Haswell,Margaret Rosary
TI  - The economics of subsistence agriculture
U1  - 338.1 23
PY  - 1967///
CY  - London, Melbourne
PB  - Macmillan
KW  - Agriculture
KW  - Economic aspects
N1  - Includes bibliography: (p. [225]-236) and index
ER  -