@article{article6b64997a,
title   = {Structural disorder-dependent upconversion in Er3+/Yb3+ - doped calcium titanate},
author = {Eduardo, Ariadne C. and Figueiredo, Alberthmeiry T. and Siu Li, Máximo and Longo, Elson},
year = {2014},
doi = {10.1016/j.ceramint.2014.07.127},
journal   = {Ceramics International}
}