@article{ReicheNunesCarvalhoMessaddeqAegerter_1993,
title={Blue and green upconversion in Er(3+)-doped fluoroindate glasses},
author={Reiche, R. and Nunes, Luis A. O. and Carvalho, C. C. and Messaddeq, Younes and Aegerter, Michel A.},
doi={http://dx.doi.org/10.22028/D291-24108},
year={1993}
}