TY  - BOOK
AU  - Mara,D.Duncan
AU  - Cairncross,Sandy
TI  - Guidelines for the safe use of wastewater and excreta in agriculture and aquaculture :measures for public health protection
SN  - 9241542489
AV  - MED RA567 M37 
PY  - 1989///
CY  - Geneva
PB  - World Health Organization
KW  - Agriculture
ER  -