Kazragis, Algimantas. “High‐temperature Decontamination and Utilization of Phosphogypsum”. Journal of Environmental Engineering and Landscape Management 12, no. 4 (December 31, 2004): 138-145. Accessed November 15, 2024. https://btp.vgtu.lt/index.php/JEELM/article/view/8105.