BONATSOS, D. Approximate symmetries in the Interacting Boson Model. HNPS Advances in Nuclear Physics, [S. l.], v. 18, p. 37–42, 2019. DOI: 10.12681/hnps.2536. Disponível em: https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/2536. Acesso em: 2 may. 2024.