19Th International Conference on Defects in Semiconductors (Icds-19), Date: JUL, 1997, Location: AVEIRO, PORTUGAL, Patrocinadores: European Union DG XII Sci Res & Dev, Fundacao Calouste Gulbenkian, Junta Nacl Investigacio Cient & Tecnol, USA Res Off, Trans Tech Publicat Ltd, USN Off Naval Res Grant