Krushinskaya, I., Boltnev, R., Bykhalo, I., Pelmenev, A., Khmelenko, V. і Lee, D. 2015. Optical spectroscopy and current detection during warm-up and destruction of impurity–helium condensates. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР. 41, 6 (Трав 2015), 541–545. DOI:https://doi.org/10.1063/1.4922090 .