GaN, AlN, InN and related materials : symposium held November 28-December 2, 2005, Boston, Massachusetts, U.S.A.. pp.63-68, 2006. Warrendale, Pa.. Materials Research Society
GaN and related alloys - 2003 : symposium held December 1-5, 2003, Boston, Massachusetts, U.S.A.. pp.67-72, 2004. Warrendale, Pa.. Materials Research Society
GaN, AIN, InN and their alloys : symposium held November 29-December 3, 2004, Boston, Massachusetts, U.S.A.. pp.343-348, 2005. Warrendale, Pa.. Materials Research Society
GaN and related alloys - 2002 : symposium held December 2-6, Boston, Massachusetts, U.S.A.. pp.145-150, 2002. Warrendale, Pa.. Materials Research Society