Experimental study on the two-stage roasting and acid leaching process for the reduction of low-level radioactive rare earth slag. - Guo, An; Lan, Qiaofa; Xiao, Xinjin; Ge, Liusheng; Wang, Huijuan; Ke, Zhaohua; Xiao, Li; Wu, Di; Wen, Xiaoqiang (Journal of Radioanalytical & Nuclear Chemistry, 2025)