Gailius, Albinas, and Živilė Laurikietytė. “Waste Paper Sludge Ash and Ground Granulated Blast Furnace Slag As Binder in Concrete”. Journal of Civil Engineering and Management 9, no. 3 (September 30, 2003): 198-202. Accessed April 25, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/9052.