TY  - BOOK
AU  - Troeh F R
AU  - Donahue, R L
AU  - Hobbs, J A
AU  - Troeh, F R
AU  - Donahue R L
AU  - Hobbs J A
AU  - Troeh F R
TI  - Soil and water conservation for productivity and environmental protection
U1  - TRO 
PY  - 1980///
CY  - New Jersey
PB  - Prentice Hall
KW  - Soil and water
ER  -