GPS tomography using phase observations. - Tobias Nilsson; Lubomir Gradinarsky; Gunnar Elgered (IGARSS, 2004)

Correlations between slant wet delays measured by microwave radiometry. - Tobias Nilsson; Lubomir Gradinarsky; Gunnar Elgered (IEEE Trans. Geosci. Remote. Sens., 2005)

Water vapor tomography using GPS phase observations: simulation results. - Tobias Nilsson; Lubomir Gradinarsky (IEEE Trans. Geosci. Remote. Sens., 2006)

Multi-GNSS Meteorology: Real-Time Retrieving of Atmospheric Water Vapor From BeiDou, Galileo, GLONASS, and GPS Observations. - Xingxing Li; Galina Dick; Cuixian Lu; Maorong Ge; Tobias Nilsson; Tong Ning; Jens Wickert; Harald Schuh (IEEE Trans. Geosci. Remote. Sens., 2015)