Higher order Motional Resonances Spectra of electrons with Non-linear Axial Oscillations in Quadrupole Penning trap. Journal of the Nigerian Society of Physical Sciences, [S. l.], v. 4, n. 1, p. 75–82, 2022. DOI: 10.46481/jnsps.2022.371. Disponível em: https://www.journal.nsps.org.ng/index.php/jnsps/article/view/371.. Acesso em: 4 may. 2024.