K. Agrawal, Suresh, and Subhash Chand. 2010. “Studies on Co(II) Thiosemicarbazone Adducts With 2-Pyridine Ethanol and 2,2&Acute; -Bipyridyl ”. Asian Journal of Chemistry 3 (1):111-12. https://asianpubs.org/index.php/ajchem/article/view/25198.