
Application of ground magnetic gradient in underground sewage pipe survey
REN Xiu-Yan, DU Xiao-Juan, SUN Rui-Xue, FANG Shuo, WANG Jiang, GAO Chao
World Geology ›› 2014, Vol. 33 ›› Issue (3) : 659-665.
Application of ground magnetic gradient in underground sewage pipe survey
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