[16] Physical Review B 71(11), 115408 (2005)

[16]  R.D. Robinson, J. Tang, M.L. Steigerwald, L.E. Brus, and I.P. Herman, “Raman scattering in Hf_xZr_1-xO₂ nanoparticles,” Physical  Review B 71(11), 115408 (2005).