TY  - BOOK
AU  - Uechara, Goro.
TI  - The minerology, chemistry and physics of tropical soils with variable change clays
T2  - Westview tropical agriculture series
U1  - 631.4913 
PY  - 1981///
CY  - Boulder, Col.
PB  - Westview
KW  - Suelos arcillosos
KW  - Suelos tropicales
ER  -