Sharma, Shivadhar, and Ajoy Kumar Sinha. “Magnetic and Spectral Studies of Co(II), Ni(II) and Cu(II) Complexes of Sulphur and Nitrogen Containing Ligand”. Asian Journal of Chemistry 21, no. 2 (March 30, 2010): 979–982. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/18778.