TY  - BOOK
AU  - Troch,Frederick R..
AU  - Hobbs,J.Arthur
AU  - Donahue,Roy L..
TI  - Soil and water conservation for productivity and environmental protection / 
SN  - 0138221553
U1  - 631.45 
PY  - 1980///
CY  - New Jersey : 
PB  - Prentice Hall , 
KW  - SOIL CONSERVATION
N1  - NULL
ER  -