000 | 00436nam a22001457a 4500 | ||
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003 | OSt | ||
005 | 20191226214756.0 | ||
008 | 110921t xxu||||| |||| 00| 0 eng d | ||
020 | _a9241546824 | ||
060 | _aWA 675 W 2006 | ||
245 |
_aWHO guidelines for the safe use of wastewater, excreta and greywater : _bpolicy and regulatory aspects. |
||
260 |
_aGeneva : _bWHO, _c2006. |
||
300 |
_axi, 100 p. _bill. _c25 cm. |
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942 |
_2NLM _cWHO PUB |
||
999 |
_c2082 _d2082 |