TY  - BOOK
AU  - Troeh, Frederick R / Hobbs, J. Arthur and Donahue, Roy L.
TI  - Soil and Water Conservation : 
SN  - 0136222005
U1  - 631.4 TRO 
PY  - 1999///
CY  - Lucknow
PB  - International Book Distributing Co.
ER  -