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	1.	Comparison of the nutrient removal efficiency of onsite wastewater treatments systems: applications of conventional sand filters and sequencing batch reactors (SBR). [electronic resource] by Vilpas, R Santala, E Producer: 20070613 In: Water science and technology : a journal of the International Association on Water Pollution Research vol. 55 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Consumer managed co-operative--a solution for progressing wastewater management in rural areas. [electronic resource] by Mattila, H Santala, E Aho, J Producer: 20040427 In: Water science and technology : a journal of the International Association on Water Pollution Research vol. 48 Availability: No items available. Save to lists Add to cart (remove)

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