![](/sites/default/files/reference_icons/ECOSANRES%202008%20Closing%20the%20Loop%20on%20Phosphorus.jpg)
ECOSANRES
(2008):
Closing the loop on phosphorus.
(= EcoSanRes Factsheet, No. 4
).
Harare (Zimbabwe):
Stockholm Environment Institute EcoSanRes Programme
URL
[Accessed: 27.09.2010]