TY  - BOOK
AU  - Black, C. A.
TI  - Methods of analysis
T2  - Agronomy
U1  - 631.42 
PY  - 1965///
CY  - Madison
PB  - America Society of Agronomy
KW  - Suelos
KW  - Análisis
KW  - Microbiología
KW  - Química de
N1  - Contenido : v.1 Physical and mineralogical properties.-- v.2 Chemical and microbiological properties
ER  -