Donappa, N., and S.B. Naikar. “Studies on Perchlorate Complexes of Cu(II) and Ag(I) With Substituted Benzimidazoles ”. Asian Journal of Chemistry 4, no. 4 (March 30, 2010): 879–885. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/25165.