In Ho Choi, Choon Ki Lee, Duk Yong Lee, Se Il Suk, Song Choi, Yong Hoon Kim, Suk Kee Tae, Seong Il Kim

J Korean Soc Fract.1989;2(2):164-173.   Published online 2016 July 14     DOI: http://dx.doi.org/10.12671/jksf.1989.2.2.164