@article{05700462,
title = {Quality of TEC estimated with Mod\_Ion using GPS and GLONASS data.},
journal = {Mathematical Problems in Engineering},
volume = {2009},
year = {2009},
doi = {10.1155/2009/794578},
zbl = {1190.86007},
language = {en},
url = {http://dml.mathdoc.fr/item/05700462}
}
de Oliveira Camargo, Paulo. Quality of TEC estimated with Mod_Ion using GPS and GLONASS data.. Mathematical Problems in Engineering, Tome 2009 (2009) . doi : 10.1155/2009/794578. http://gdmltest.u-ga.fr/item/05700462/