确定137Cs背景值所需的采样点数与采样面积
刘志强, 杨明义, 刘普灵, 田均良
Sampling Numbers and Area for the Confirmation of 137Cs Reference Inventory
LIU Zhi-Jiang, YANG Ming-Yi, LIU Pu-Ling, TIAN Jun-Liang
J4 . 2009, (3): 482 -486 .  DOI: 10.11869/hnxb.2009.03.0482