The National report 1983-1986 is placed to Geodesy section web-site
http://geodesy-ngc.gcras.ru/en/index.php/documents/31-national-report-1983-1986
The National report 1983-1986 is placed to Geodesy section web-site
http://geodesy-ngc.gcras.ru/en/index.php/documents/31-national-report-1983-1986