KRUSHINSKAYA, I. N.; BYKHALO, I. B.; BOLTNEV, R. E.; PELMENEV, A. A.; KHMELENKO, V. V.; LEE, D. M. Optical spectroscopy and current detection during warm-up and destruction of impurity-helium condensates. Recent Contributions to Physics, [S. l.], v. 2015, n. 3, p. 64–65, 2015. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/270. Acesso em: 5 июл. 2026.