Xaba, T., et al. “Bis(2-Hydroxy-1-Naphthalenehydrato) Metal Complexes As Source of Face-Centered-Cubic Trioctylphosphine Oxide-Capped ZnO and CdO Nanoparticles Using Oleylamine As Dispersion Medium”. Asian Journal of Chemistry, vol. 28, no. 5, Jan. 2016, pp. 1015-20, doi:10.14233/ajchem.2016.19565.