000
00310nam a2200121Ia 4500
008
151015s9999 xx 000 0 und d
020
_a
9251039941
100
_a
Westcot, D.W
245
_a
Quility control of wastewater for irrigation crop production
260
_c
1997
300
_a
X80 p.
942
_c
FAO
_2
udc
999
_c
25240
_d
25240