TY  - BOOK
ED  - American Society of Agronomy. Madison, Wis.
TI  - Soil erosion and conservation in the tropics: : proceedings
T2  - ASA. Special publication, 43
U1  - 631.45 
PY  - 1982///
CY  - Madison, Wis
PB  - The Society
KW  - Suelos
KW  - Conservación
KW  - Erosión
ER  -