TY  - BOOK
AU  - Clark,Colin
TI  - The economics of subsistence agriculture,
SN  - 0333036883
AV  - HD1411 .C57 1970 .C57 1970
U1  - 338.1 
PY  - 1970///
CY  - London, New York
PB  - Macmillan, St. Martin's P.
ER  -