000 00275nam a22001217a 4500
020 _a9241545038
050 _aMED TD365
_b.G9
245 _aGuidelines for drinking-water quality
260 _aGeneva
_bWHO
_c1997
300 _axii, 237p.
_bill.
650 _aWater
942 _cBK
999 _c12389
_d12389