000
002580000a22001210004500
245
_a
Water quality for agriculture
100
_a
Ayers, R.S.
100
_a
Westcot, D.W.
260
_a
Rome
_b
FAO
_c
1985
080
_a
626.8
_b
A9
041
_a
EN
942
_c
BK
999
_c
62910
_d
62910