000 00310nam a2200121Ia 4500
008 151015s9999 xx 000 0 und d
020 _a9251039941
100 _aWestcot, D.W
245 _aQuility control of wastewater for irrigation crop production
260 _c1997
300 _aX80 p.
942 _cFAO
_2udc
999 _c25240
_d25240