000 00507 a2200181 4500
020 _a9241545356
082 _a572.539
_bGUI
090 _c16472
_d24928
245 _aGuidelines for drinking-water quality
_baddendum
_b microbiological agents in drinking water
250 _a2nd ed.
260 _aGeneva
_bWorld Health Organization
_c2002
_g2002
300 _avii,142p.
_c24cm
650 _aGuidelines
650 _aDrinking Water
650 _aWater Quality
650 _awater Microbiology
942 _cPR
999 _c44468
_d44468