The Investigation of Radiation Level in a Coal Preparation Plant
LIANG Jing, LIAN De-xing, ZHU Wei-guo, ZHANG Qi, HOU Chang-song
中国辐射卫生 . 2015, (3): 237 -239 .  DOI: 10.13491/j.cnki.issn.1004-714x.2015.03.018