TY  - BOOK
AU  - Frederick R.Troeh And Louis M. Thompson
TI  - Soils And Soil Fertility
SN  - ISBN9788126517879
U1  - 631.42 
PY  - 2005///
CY  - 2121 State  Avenue. Ames;Iowa 50014;USA
PB  - Blackwell
ER  -