1. Artz T, Böckmann S, Nothnagel A, Tesmer V (2007) ERP time series with daily and sub-daily resolution determined from CONT05. In: Böhm J, Pany A, Schuh H (eds) Proceedings of the 18th Working Meeting European VLBI for Geodesy and Astrometry, Vienna, Austria, pp 69–74
2. Artz T, Böckmann S, Nothnagel A, Steigenberger P (2010) Sub-diurnal variations in the Earth’s rotation from continuous VLBI campaigns. J Geophys Res 115(B05):404. doi: 10.1029/2009JB006834
3. Artz T, Bernhard L, Nothnagel A, Steigenberger P, Tesmer S (2012) Methodology for the combination of sub-daily Earth rotation from GPS and VLBI observations. J Geodesy 86:221–239. doi: 10.1007/s00190-011-0512-9
4. Behrend D, Thomas C, Himwich E, Corey B, Kingham K, Hall D, Haas R, Kokado K, Hobiger T, Gordon D, MacMillan D (2012) Organization, correlation, and first results of CONT11. In: Behrend D, Baver KD (eds) IVS 2012 General Meeting Proceedings ”Launching the Next-Generation IVS Network”, NASA/CP-2012-217504, pp 186–190, http://ivscc.gsfc.nasa.gov/publications/gm2012/behrend.pdf
5. Böckmann S, Artz T, Nothnagel A (2010) VLBI terrestrial reference frame contributions to ITRF2008. J Geodesy 84:201–219. doi: 10.1007/s00190-009-0357-7