TY  - GEN
AU  - Brady, Nyle C 
TI  - Elements of the nature and properties of soils 
SN  - 9780138002817
PY  - 2010///
CY  - Boston
PB  - Pearson Education International
KW  - Soils-properties
KW  - Soil clasification
KW  - Soil ecology
ER  -