[1]
Moroshkin, P., Hofer, A., Ulzega, S. і Weis, A. 2006. Spectroscopy of atomic and molecular defects in solid 4He using optical, microwave, radio frequency, magnetic and electric fields (Review Article). ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР. 32, 11 (Вер 2006), 1297–1319. DOI:https://doi.org/10.1063/1.2389001.