000 00464nam a2200145 a 4500
020 _a9241542489
050 0 0 _aMED RA567
_bM37
100 1 _aMara, D. Duncan
245 1 0 _aGuidelines for the safe use of wastewater and excreta in agriculture and aquaculture :measures for public health protection
260 _aGeneva :
_bWorld Health Organization,
_c1989.
300 _avii, 187pg. :
_bill. ;
650 0 _aAgriculture
700 1 _aCairncross, Sandy.
942 _cBK
999 _c9575
_d9575