TY  - BOOK
AU  - Mara ,Duncon
AU  - Cairncross,Sandy
TI  - Guidenlines for the safe use fo waste water and excreta in agriculture and aquatculture : measures for public health protection
U1  - 363.7284 
PY  - 1991///
CY  - New Delhi
PB  - CBS Publishers and Distributors
KW  - Environmental aspects
KW  - Resources planning
ER  -