1. Altamimi Z, Collilieux X, Métivier L (2011) ITRF2008: an improved solution of the international terrestrial reference frame. J Geod 85(8):457–473. doi:
10.1007/s00190-011-0444-4
2. Böhm J, Böhm S, Nilsson T, Pany A, Plank L, Spicakova H, Teke K, Schuh H (2012) The new Vienna VLBI software. In: Kenyon S, Pacino MC, Marti U (eds) IAG Scientific Assembly 2009, no. 136 in International Association of Geodesy Symposia. Springer, Buenos Aires, pp 1007–1011. doi:10.1007/978-3-642-20338-1_126
3. Combrinck WL, Merry CL (1997) Very long baseline interferometry antenna axis offset and intersection determination using GPS. J Geophys Res 102(B11):24741–24743. doi:
10.1029/97JB02081
4. Fey A, Gordon D, Jacobs CS (eds) (2009) The second realization of the international celestial reference frame by very long baseline interferometry. Verlag des Bundesamts für Kartographie und Geodäsie, Frankfurt am Main, IERS Technical Note 35
5. Harvey BR (1991) Telescope axis surveys. Aust J Geod Photogram Surv 54:1–18