Kaftan V.

Bulgarian Astronomical Journal. Institute of Astronomy and Rozhen NAO. Том Vol 25. 2016. С. 1-1

International Symposium Asia-Pacific Space Geodynamics (APSG) Project on the theme of "Geodetic Datum and Regional and Terrestrial Reference Frame realization". [б.и.]. 2015. С. 1-1

G05 GNSS++: Emerging Technologies and Applications. 26th IUGG General Assembly, Jun 22 – July 2, 2015. [б.и.]. 2015. С. 1-1

JP4 Satellite Oceanography and Climatology (IAPSO, IAG) 26th IUGG General Assembly, Jun 22 – July 2, 2015. [б.и.]. 2015. С. 1-1