ФНТ E. 2007. Proceedings of 6th International Conference on Cryocrystals and Quantum Crystals (CC-2006)
Kharkov, September 3-8, 2006. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР. 33, 6-7 (Трав 2007), 651–652. DOI:https://doi.org/10.1063/1.2746469.