TY  - GEN
AU  - Sparks , L. Donald 
TI  - Soil physical chemistry
SN  - 0873718836
U1  - 631.41 
PY  - 1998///
CY  - New york
PB  - CRC Press
KW  - PHYSICSSOIL CHEMISTRYSOIL PHYSICAL CHEMISTRY
KW  - SOIL SCIENCE
ER  -