The 4th International Conference on Nitride Semiconductors (ICNS 4), page. 48, 2001-07-16
The 5th International Symposium on Blue Laser and Light Emitting Diodes (ISBLLED-2004), 2004-03-15
PHYSICA STATUS SOLIDI, no. 1, page. 546 - 549, 2002-01
MATERIALS PHYSICS AND MECHANICS, vol. 4, page. 25 - 28, 2001-11
2000 Materials Research Society (MRS) Fall meeting, page. 179, 2000-11-27