TY  - BOOK
AU  - Clark,Colin,1905-
AU  - Haswell,Margaret
TI  - The Economics of subsistence agriculture
SN  - 5333116585
PY  - 1970///
CY  - London
PB  - MacMillan
KW  - Agriculture
KW  - Economic aspects
N1  - Bibliography: p. 245-257
ER  -