@article{article55b5ceec,
title   = {Ultraviolet upconversion luminescence in a highly transparent triply-doped Gd3+-Tm3+-Yb3+ fluoride-phosphate glasses},
author = {Galleani, Gustavo and Santagneli, Silvia Helena and Ledemi, Yannick and Messaddeq, Younès and Janka, Oliver and Pöttgen, Rainer and Eckert, Hellmut},
year = {2018},
doi = {10.1021/acs.jpcc.7b09562},
journal   = {Journal of Physical Chemistry C}
}