Grāvītis, Jānis, Jānis Āboliņš, Ramunas Tupčiauskas, and Andris Vēveris. 2010. “Lignin from steam‐exploded Wood As Binder in Wood Composites”. Journal of Environmental Engineering and Landscape Management 18 (2):75-84. https://doi.org/10.3846/jeelm.2010.09.