ICG 2007 XXIST International Congress On Glass, 2007-07-01
ISNOG 2010, 2010-06-13
The 26th International Japan-Korea Seminar on Ceramics, 2009-11-25
제 24회 유리심포지엄, 2009-12-04
PHOTONIC MATERIALS AND DEVICES(PRE '10), 2010-04-29
ISFM 2009, page. 50, 2009-06-15