대한전자공학회, page. 357 - 360, 2002-11-30
한국물리학회, page. 559, 2002-10-01
IDEC Conference 2002 summer, page. 194 - 195, 2002-08-01
The 9th Korean Conference on Semiconductors, page. 561 - 562, 2002-02-21
The 9th Korean Conference on Semiconductors, page. 561 - 562, 2002-02-01