TY  - BOOK
AU  - Sparks, D.L.
TI  - Methods of soil analysis : Part 3 Chemical Methods
U1  - SOILS 631.4 S63M 
PY  - 1996///
CY  - Wisconsin (USA)
PB  - Soil Science Society of America
KW  - SOIL SCIENCE
KW  - SOIL ANALYSIS
ER  -