Friedrichs, F., 		Rudolph3, K., 		Panning4,, F., 		Huyen, P., 		Genthe, W., & 		Trung, D.
(2016).
 Occurrence of Toxic Substances Inhibiting the Nitrification  in Waste Water from Industrial Zones in Vietnam.
<em>VNU Journal Of Science: Natural Sciences And Technology, 32</em>(3).
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