000 00383nam a22001337a 4500
020 _a9789241546836
050 _aMEDREF S657
_b.W486
245 _aWho guidelines for the safe use of wastewater excreta and greywater
250 _a3rd ed.
260 _aSwitzerland
_bworld health organization
_c2006
300 _axxiii
_bill.
650 _awastewater use in agriculture
942 _cBK
999 _c16566
_d16566