by 金光演(Kwang Yun Kim), 吳一煥(Il Whan Oh), 趙聲鍾(Sung Chong Cho)
Published in Annals of surgical treatment and research (1979)

by 오일환(Il-Whan Oh)
Published in 한국콘텐츠학회논문지 (2011)

by 오일환(Il-Whan Oh), 이승관(Seung-Gwan Lee)
Published in 한국콘텐츠학회논문지 (2011)

by 이대호(Dae-Ho Lee), 오일환(Il-Whan Oh)
Published in 韓國컴퓨터情報學會論文誌 (2011)

by 오일환(Il-Whan Oh), 이승수(Seung-Su Lee)
Published in 한국콘텐츠학회 논문지, 10(7) (2010)