Tharmaraj, P., C.D. Sheela, and C. Natarajan. 2010. “Cobalt(II), Nickel(II) and Copper(II) Complexes of 1-Hydroxy-2-Naphthyl(4-X-Styryl) Ketoneoximes ”. Asian Journal of Chemistry 15 (3):1709-17014. https://asianpubs.org/index.php/ajchem/article/view/21888.