1. J.P. Angel, Discussion Notes, p. 59, in Scientific Importance of High Angular Resolution at Infrared and Optical Wavelengths, ed. by M.H. Ulrich, K. Kjär, Garching (1981)
2. H.H. Aumann, IRAS observations of matter around nearby stars. Publ. Astron. Soc. Pac. 97, 885 (1985)
3. J.M. Beckers, Interferometric imaging in astronomy: a personal retrospective, in The Sun and Planetary Systems. Paradigms for the Universe. Rev. Mod. Astron. 17, 239 (2004)
4. S. Beckwith, B. Zuckerman, M.F. Skrutskie, H.M. Dyck, Discovery of halos of solar system size around young stars. Ap. J. 287, 793 (1984)
5. C. Bertout and J. Bouvier, Interferometric imaging of protoplanetary discs around young stars, in High Resolution Imaging by Interferometry, vol. 1, ESO Proceedings (1988), p. 69