@article{article0bbcfdbe,
title   = {The influence of oxygen in the photoexpansion of GaGeS glasses},
author = {Messaddeq, Sandra H. and Mastelaro, Valmor Roberto and Siu Li, Máximo and Tabacniks, Manfredo Harri and Lezal, D. and Ramos, A. and Messaddeq, Y.},
year = {2003},
doi = {10.1016/s0169-4332(02)01013-9},
journal   = {Applied Surface Science}
}