000 00306nam a22001217a 4500
008 230626b xxu||||| |||| 00| 0 eng d
082 _a331.911
_bUN
100 _cUN
245 _aWater Quality Monitoring in the Asian and Pacific Region
260 _aUN
_bNew York
_c1990
300 _a327p
942 _2ddc
_cBK
999 _c2662
_d2662