Ramos, M.; Pérez-Castañeda, T.; Jiménez-Riobóo, R.; Rodríguez-Tinoco, C.; Rodríguez-Viejo, J. Do Tunneling States and Boson Peak Persist or Disappear in Extremely Stabilized Glasses?. Fiz. Nizk. Temp. 2015, 41, 533-540.