P. POKHARIYAL, Ganesh. Complexes of Si (IV), Ge (IV), Sn (IV), Ti (IV) and Zr (IV) Metals with N,N´ — Bis(8-Aceto-7-hydroxy-2-methyl coumarin)Hydrazine Schiff Base. Asian Journal of Chemistry, [S. l.], v. 1, n. 3, p. 305–306, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/25415. Acesso em: 3 oct. 2024.