000 00296nam a2200121Ia 4500
008 220201s2004 xx 000 0 eng d
082 _a363.61
_bWHO
100 _aWHO
245 0 _aAssessing microbial safety and drinking water
260 _bAITBS, WHO
_c2004
300 _a295
942 _2ddc
_cREF
999 _c64044
_d64044