TY  - BOOK
AU  - Schwab, Glem O  .
AU  - Eliot,William J  .
AU  - Fangmeier,Delmar D  .
TI  - Soil and water management systems / 
U1  - 631.45 
PY  - 1996///
CY  - London : 
PB  - John Wiley & Sons , 
N1  - Reference **
ER  -