A study on the measurement of axial cracks in the Magnetic Flux Leakage NDT system. - Hui Min Kim; Yong Woo Rho; Hui-Ryong Yoo; Sung Ho Cho; Dong-Kyu Kim; Sung-Ja Koo; Gwan Soo Park (CASE, 2012)

Detection method of cracks by using magnetic fields in underground pipeline. - Hui Min Kim; Hui-Ryong Yoo; Yong Woo Rho; Gwan Soo Park (URAI, 2013)

Development of MFL system for in-pipe robot for unpiggable natural gas pipelines. - Dae-Kwang Kim; Hui-Ryong Yoo; Jung-Soo Yoo; Dong-Kyu Kim; Sung Ho Cho; Sung-Ja Koo; Rho-Yong Woo; Hae-Kyo Jung (URAI, 2013)

One-bed RFECT system for inspection of circumferential cracks in 16 inch gas pipeline. - Jae-Ha Park; Hak-Joon Kim; Sung-Jin Song; Jeong-Won Park; Hui-Ryong Yoo; Yong Woo Rho; Sung Ho Cho; Dong-Kyu Kim (URAI, 2013)