TY - BOOK ED - World Health Organization. TI - Guidelines for the safe use of wastewater, excreta and greywater SN - 9241546867 (set) AV - RA567 W46 2006 PY - 2006/// CY - Geneva PB - WHO KW - Sewage KW - Safety measures KW - Sewage irrigation KW - Night soil KW - Agriculture N1 - Includes bibliographical references; v.2 Wastewater use in Agriculture--v.3.Wastewater and excreta use in aquaculture--v.4.Excreta and greywater use in agriculture ER -