Links related to GEODESY
	International Earth Rotation and Reference systems Service	http://www.iers.org
	International Association of Geodesy	http://www.iag-aig.org/
Links related to SPATIAL GEODESY TECHNIQUES
	International DORIS Service	http://ids-doris.org/
	International GNSS Service	http://igscb.jpl.nasa.gov/
	International Laser Ranging Service	http://ilrs.gsfc.nasa.gov/
	International VLBI Service	http://ivscc.gsfc.nasa.gov/
IERS product centres
	Conventions Centre	http://tai.bipm.org/iers/
	Earth Orientation Centre	http://hpiers.obspm.fr/eop-pc/
	Global Geophysical Fluids Centre	http://www.ecgs.lu/ggfc/
	ICRS Centre	http://hpiers.obspm.fr/icrs-pc/
	ITRS Centre	http://itrf.ensg.ign.fr/
	Rapid Service/Prediction Centre	http://maia.usno.navy.mil/