SINGH, S. S. A note on Polarographic Studies on Ferrous 5 Nitro 1: 10 Phenanthroline Chelate (5 Nitro Ferroin). Defence Science Journal, [S. l.], v. 20, n. 3, p. 203–205, 2014. DOI: 10.14429/dsj.20.6157. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6157. Acesso em: 7 jul. 2025.