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  - 92-4-154248-9
PY  - 1989///
CY  - Geneva
PB  - World Health Organization
KW  - Sewage
KW  - Safety measures
KW  - Sewage irrigation
KW  - Night soi
N1  - Includes bibliographical references
ER  -