Shulga, Galia, Talrits Betkers, Sanita Vitolina, Brigita Neiberte, Anrijs Verovkins, Olga Anne, Dalia Ambrazaitiene, and Audrone Zukauskaite. 2015. “Wood Processing by-Products Treated With the Lignin-Based Conditioner As Mulch for Soil Protection”. Journal of Environmental Engineering and Landscape Management 23 (4):279–287. https://doi.org/10.3846/16486897.2015.1018267.