A field study to evaluate the use and performance of Biosand filters at the Artibonite Valley of Haiti. They found it as an attractive option for supplying safe water in rural areas of poorly developed countries with producing water in safe range in 97% of the cases
DUKE, W. BAKER, D. (2005): The Use and Performance of the Biosand Filter in the Artibonite Valley of Haiti: A Field Study of 107 Households. Victoria: University of Victoria URL