[1]
G. S. SAEMANN-ISCHENKO, «Pinning properties, far-infrared-reflectivity, mm-wave surface resistance and conversibn-electron-Mossbauer-spectroscopy of epitaxial YBaCuO-films before and after irradiation», Fiz. Nizk. Temp., вип. 16, вип. 5, с. 586–586, Трав 1990.