TY  - BOOK
AU  - Sprague, Howard B.
TI  - Evaluation of the natural resources available for agricultural production and development in the tropics and subtropics
T2  - Agriculture technology for developing countries. Technical series bulletin
PY  - 1975///
CY  - Washington
PB  - Agency for International Development
KW  - Recursos naturales
KW  - Trópicos
KW  - Utilización
ER  -