[20] Appl. Phys. Lett. 89(22), 223130 (2006)

[20]  S. Banerjee, D.I. Kim, R.D. Robinson, I.P. Herman, Y.B. Mao, S.S. Wong, ” Observation of Fano asymmetry in Raman spectra of SrTiO₃ and Ca_xSr_1-xTiO₃ perovskite nanocubes,” Appl. Phys. Lett. 89(22), 223130 (2006).