1. “Photoelectric and electrical responses of several erbium silicide/silicon interfaces”. Muret P, Nguyen TTA, Frangis N, Van Tendeloo G, van Landuyt J, Applied surface scienceT2 – International Symposium on Si Heterostructures – From Physics to Devices, SEP 11-14, 1995, IRAKLION, GREECE 102, 173 (1996).   http://doi.org/10.1016/0169-4332(96)00042-6