Investigation and Evaluation on Radioactive Level of Water Body in Collapse Pit Caused by Mining in Southern Shandong Province
YUAN Ke-bing, ZHANG Xiu-yun, MENG Xian-xin, QI Gui-feng
中国辐射卫生 . 2008, (4): 397 -399 .  DOI: 10.13491/j.cnki.issn.1004-714x.2008.04.001