S.IBRAHEIM, K. .; TARIK AL-ALAWY, I. .; SADIQ HUMADI, S. . Energy bands (g,β,γ) and energy ratios for even-even Yb (A=168-172). Mustansiriyah Journal for Sciences and Education, [S. l.], v. 18, n. 3, p. 1-12, 2020. Disponível em: https://edumag.uomustansiriyah.edu.iq/index.php/mjse/article/view/150. Acesso em: 22 oct. 2021.