Teles, C C Ecology of duckweed ponds used for nutrient recovery from wastewater. [electronic resource] - Water science and technology : a journal of the International Association on Water Pollution Research Jun 2017 - 2926-2934 p. digital Publication Type: Journal Article ISSN: 0273-1223 Standard No.: 10.2166/wst.2017.172 doi Subjects--Topical Terms: AraceaeNitrogen--analysisPhosphorus--analysisPondsWaste Disposal, FluidWastewater--chemistryWater Pollutants, Chemical--analysis