Klapiszewski, Ł., R. Oliwa, M. Oleksy, and T. Jesionowski. “Calcium Lignosulfonate As Eco-Friendly Additive for Crosslinking Fibrous Composites With Phenol-Formaldehyde Resin Matrix”. Polimery 63, no. 2 (January 13, 2021): 102-108. Accessed July 5, 2024. http://polimery.ichp.vot.pl/index.php/p/article/view/189.