Enhancing the surface charge of BCTMP of aspen with supercritical CO2 treatmentKärner, Kärt; Talviste, Rasmus; Viipsi, Karin; Kallavus, UrveBaltic Polymer Symposium 2013 : Trakai, Lithuania, September 18-21, 2013 : programme [and abstracts]2013 / p. 87 : ill Enhancing the surface charge of BCTMP of aspen with supercritical CO2 treatmentKärner, Kärt; Talviste, Rasmus; Viipsi, Karin; Kallavus, UrveTÜ ja TTÜ doktorikool “Funktsionaalsed materjalid ja tehnoloogiad”2013 / [1] p. : ill