MONARKHA, Y.; SOKOLOV, S. Decay rate of the excited surface electron states on liquid helium. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 32, n. 10, p. 1278–1281, 2006. DOI: 10.1063/1.2364492. Disponível em: http://80.92.230.95/index.php/fnt/article/view/f32-1278e. Acesso em: 11 лис. 2025.