Опорний меридіан IERS (Ukrainian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Опорний меридіан IERS" in Ukrainian language version.

refsWebsite

Global rank Ukrainian rank

1gpsinformation.net

low place

low place

1gearthblog.com

low place

9,206^th place

gearthblog.com

IRM on grounds of Royal Observatory from Google Earth Accessed 30 March 2012

gpsinformation.net

History of the Prime Meridian – Past and Present