[1]
S. S. Kumar, P. Venkateswarlu, V. R. Rao, and G. N. Rao, “Synthesis, characterization and optical properties of zinc oxide nanoparticles”, Int. Nano Lett., vol. 3, no. 1 (December 2013), May 2013, doi: 10.1186/2228-5326-3-30.