CHIGVINADZE, J.; MAMNIASHVILI, G.; SHARIMANOV, Y. Single-pulse and secondary echoes in systems with a large inhomogeneous broadening of NMR lines. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 30, n. 10, p. 1065–1070, 2004. DOI: 10.1063/1.1808198. Disponível em: http://80.92.230.95/index.php/fnt/article/view/f30-1065e. Acesso em: 11 лис. 2025.