CURRENT APPLIED PHYSICS, vol. 1, no. 4-5, page. 385 - 388, 2001-11
3rd Int. Conf. on Nitride Compounds, 1999-07-05
2001 Materials Research Society (MRS) Spring meeting, page. 150, 2001-04-16
2001 Materials Research Society (MRS) Fall meeting, page. 206, 2001-11-26
2001 Materials Research Society (MRS) Fall meeting, page. 205, 2001-11-26
2001 Materials Research Society (MRS) Fall meeting, page. 215, 2001-11-26