RAI, H.C.; SINGH, R.K.; KUMAR, A.; KUMARI, Veena. Spectral and Electrochemical Studies on Some Co(II), Ni(II) and Cu(II) Macrocyclic Complexes . Asian Journal of Chemistry, [S. l.], v. 14, n. 3, p. 1561–1570, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/22439. Acesso em: 23 jul. 2024.