K. Sharma, Harish, and Jashmer Singh. 2014. “Synthesis and Characterization of Organoheterotrimetallic Dibutyl-[Sn(IV), Ti(IV), Al(III)]-Μ-Oxoisopropoxide and Its B-Diketonates”. Asian Journal of Chemistry 26 (18):6151-54. https://doi.org/10.14233/ajchem.2014.16888.