Chemical perspectives of microelectronic materials : symposium held November 30-December 2, 1988, Boston, Massachusetts, U.S.A.. pp.281-288, 1989. Pittsburgh, Pa.. Materials Research Society
Materials issues in microcrystalline semiconductors : symposium held November 29-December 1, 1989, Boston, Massachusetts, U.S.A.. pp.33-38, 1990. Pittsburgh, Pa.. Materials Research Society
Radiation effects and ion-beam processing of materials : symposium held December 1-5, 2003, Boston, Massachusetts, U.S.A.. pp.255-260, 2004. Warrendale, PA. Materials Research Society
Positron annihilation, ICPA-12 : Proceedings of the 12th International Conference on Positron Annihilation, August 6-12, 2000, München, Germany. pp.120-122, 2001. Zuerich, Switzerland. Trans Tech Publications
Positron annihilation ICPA-13 : proceedings of the 13th International Conference on Positron Annihilation, Kyoto, Japan, September 2003. pp.135-137, 2004. Uetikon-Zuerich. Trans Tech Publications