IUGG XXV General Assembly, Melbourne, 27 June - 8 July, 2011 


Geodetic and Geophysical Research Institute of the Hung. Acad. Sci.

University of West Hungary

International Year of Planet Earth 2007-2009 (in Hungarian:

Electronical Geophysical Year 2007-2008

International Heliophysical Year 2007-2009

International Polar Year 2007-2008

International Year of Astronomy 2009

The Hungarian Academy of Sciences about the Sopron Assembly