Jayamani, V., and P. Kalpana. 2011. “Synthesis, Characterization and Bioactivity Study of Cobalt(III) and Ruthenium(III) Complexes of 4,4’-Cyclohexylidene Bisphenol”. Asian Journal of Chemistry 23 (10):4260-62. https://asianpubs.org/index.php/ajchem/article/view/10926.