TY  - BOOK
AU  - Wrigley,Gordon
TI  - Tropical Agriculture: the development of production 
U1  - 360.913 23
PY  - 1961///
CY  - New York
PB  - Praeger
KW  - Agriculture
KW  - Tropics
N1  - Include Bibliography: p. 341-363 and index
ER  -