Il Yong Choi, Tai Seung Kim, Il Hoon Sung, Won Kyu Kim, Yun Young Choi, Kwan Hyoung Lee, Kyu Sung Hwang

J Korean Soc Fract.2000;13(4):1067-1079.   Published online 2016 June 21     DOI: http://dx.doi.org/10.12671/jksf.2000.13.4.1067