TY  - BOOK
AU  - Smith, Keith A.
TI  - Soil analysis: : instrumental techniques and related procedures
T2  - Books in soils and the environment
U1  - 631.42 
PY  - 1983///
CY  - New York
PB  - Marcel Dekker
KW  - Suelos
KW  - Análisis
KW  - Laboratorios
ER  -