KHIZIROVA, M.; GRIGOR’EVA, P. Research of radio-frequency weights – spectrometers. Recent Contributions to Physics, [S. l.], v. 2012, n. 1, p. 61–63, 2012. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/682. Acesso em: 9 feb. 2026.