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005 20260808125510.0
008 260808s9999||||xx |||||||||||||| ||und||
020 _a92-4-154460-0
035 _a6417
041 _aENG
082 _a628.16
100 _aWorld Health Organization
245 0 _aGuidelines for drinking water quality (vol-1)
_brecommendations
250 _a2nd
260 _aGeneva
_bWorld Health Oraganization
_c1993
300 _ax + 188
490 _a1
500 _aGift
505 _aWHO, health engineering, environmental health
650 _aWHO
_bEngineering -- General
942 _cBK
999 _c6415
_d6415