TY  - BOOK
AU  - x, x
AU  - Weaver,R.W....(etal)
TI  - Methods of soil analysis: x
SN  - 089118810X
U1  - 631.417/M592 
PY  - 1994///
CY  - Wisconsin
PB  - Soil science society of American
KW  - Soil microbiology - Methodology
KW  - Soils - Analysis
N1  - Includes
ER  -