TY  - BOOK
AU  - Ayers, R. S.,
AU  - Westcot, D. W.,
TI  - Water Quality for Agriculture
SN  - 925100093X
U1  - 631 
PY  - 1976///
CY  - Rome
PB  - F. A. O.
KW  - Techniques, equipment & materials
KW  - Water Quality
ER  -