TY  - BOOK
AU  - Black, C A
TI  - Methods of soil analysis
U1  - 631.4:543 
PY  - 1965///
CY  - USA
PB  - Society of Agronomy
KW  - soil analysis
N1  - Pt 1. Mineralogical properties, including statistics of measurement and sampling. Pt 2. Chemical and microbiological properties
ER  -