TY  - BK
AU  - Esrey,S.A.
AU  - Andersson,I.
AU  - Hillers,A.
AU  - Sawyer,R.
TI  - Closing the loop:  Ecological sanitation for food security
SN  - 91-586-8935-4
U1  - 628.746 
PY  - 2003///
CY  - Tepoztlan, Morelos (Mexico)
PB  - Swedish International Development Cooperation Agency, 
ER  -