1. Yershov V. N. ; Chubey M.S. ; Il'in A.E. ; Kopylov I.M. ; Gorshavov D.L. ; Kanayev I.I. ; and Kirian T.R. (1995) “Struve Space Astrometric System. Scientific Grounds of the Project,” (in Russian).
2. Seidelmann P. K. ; Johnston K. J. ; Urban S. ; Germain M. ; Corbin T. ; Shao M. ; Yu J. ; Fanson J. ; Rickard L. J. ; Weiler K. , and Davinic N. (1995) “A Fizeau Optical Interferometer Astrometric Satellite” in Future Possibilities for Astrometry in Space, a Joint RGO-ESA Workshop, Cambridge UK 19-21 June 1995 ESA SP-379.
3. OSI, Orbiting Stellar Interferometer, NASA Science and Technology Review, March 1996, JPL.
4. The Lomonosov Project for Space Astrometry
5. Photometric Facilities of the AIST Space Project