Applications of gas-phase ultraviolet photocatalytic oxidation technology in indoor environmentsPalmiste, Ülar; Voll, Hendrik; Tang, Walter ZhonghongHealthy Buildings 2017 Europe : July 2-5, 2017, Lublin, Poland2017 / paper 0278, [6] p Development of Estonian nutrient discharge standards for wastewater treatment plantsNiine, Raili; Loigu, Enn; Tang, Walter ZhonghongEstonian journal of engineering2013 / p. 152-168 : ill https://doi.org/10.3176/eng.2013.2.05 Article at Scopus Intensifying landfill wastewater and biodegradable waste treatment in Estonia = Prügilareovee ja biolagunevate jäätmete käitlemise tõhustamine EestisKuusik, Aare2016 http://digi.lib.ttu.ee/i/?5954 https://www.ester.ee/record=b4580519*est Population equivalence based discharge criteria of wastewater treatment plants in Estonia = Inimekvivalentidel põhinevad reoveepuhastite heitvee standardid EestisNiine, Raili2014 Reverse osmosis and nanofiltration of biologically treated leachateKuusik, Aare; Pachel, Karin; Kuusik, Argo; Loigu, Enn; Tang, Walter ZhonghongEnvironmental technology2014 / p. 2416-2426 : ill https://doi.org/10.1080/09593330.2014.908241 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS