HEFTY, Ján, Miroslava IGONDOVÁ, and Branislav DROŠČÁK. 2009. “Homogenization of Long-Term GPS Monitoring Series at Permanent Stations in Central Europe and Balkan Peninsula”. Contributions to Geophysics and Geodesy 39 (1), 19-42. https://doi.org/10.2478/v10126-009-0002-8.