Lignin ozonation at different pH values of water [Electronic resource]Kuosa, Markku; Kallas, JuhaEnvironmental Applications of Advanced Oxidation Processes : Chania, September 7-9, 2006 : book of abstracts2006 / [CD-ROM] Wet oxidation of recalcitrant lignin water solution : experimental and reaction kinetics [Electronic resource]Kindsigo, Merit; Hautaniemi, Marjaana; Kallas, JuhaEnvironmental Applications of Advanced Oxidation Processes : Chania, September 7-9, 2006 : book of abstracts2006 / [CD-ROM] https://link.springer.com/article/10.1007/s10311-008-0151-4