1. Brunini, C. Global ionospheric models from GPS measurements. PhD thesis, Universidad Nacional de La Plata, La Plata, Argentina, 1997.
2. Temporal and spatial variability of the bias between TOPEX- and GPS-derived total electron content;Brunini;J. Geod.,2005
3. Satellite altimetry;Chelton,2001
4. Chapman profile approach for 3-D global TEC representation;Feltens,1998
5. IGS Products for the Ionosphere;Feltens,1998