TY  - BOOK
AU  - MARA, Duncan
TI  - Guidelines for the use of wastewater and excreta in agriculture and aquaculture : measures for public health protection
U1  - 614.76 M32G 
PY  - 1989///
PB  - Geneva
KW  - SEWAGE IRRIGATION -- SANITATION
KW  - AQUACULTURE -- SANITATION
KW  - UANO -- SANITATION
ER  -