1. Ádám, J. 1990: Estimability of Geodetic Parameters from Space VLBI Observables. Report No. 406. Department of Geodetic Science and Surveying. The Ohio State University, Columbus, Ohio, USA.
2. Ellis, J. 1995: Private communication.
3. Fejes, I., Mihály, Sz. 1991: Application of Space VLBI to Satellite Dynamics. Adv. Space Res.11, 429.
4. Fejes, I., Murphy, D.W., Taylor, A.R., Yakimov, Y., Young, G.: Space VLBI User Assistance Software. in VLBI technology Progress and Future Observational Possibilities. p. 59. Ed. T. Sasao, S. Manabe, O. Kameya and M. Inoue. Terra Scientific Publishing Company, Japan. (1994).
5. Fejes, I. 1994: Techniques and methods in geodynamical research: Space VLBI. Acta Geod. Geoph. Hung.,29, pp. 443?456.