Comparison on pipeline welds and integrity through different electromagnetic NDT techniques. - Qiu Ping Ma; Gui-Yun Tian 001; Bin Gao 003; Darko Bajic; Stefan Culafic; Jia Liu; Tongle Wu; Kun Zeng; Zewe Liu; Qianhang Liu; Changrong Yang; Dong Liu (I2MTC, 2020)