Speckle observations of binary systems measured by HipparcosJ.-L. Prieur, E. Oblak, P. Lampens, M. Kurpinska-Winiarska, E. Aristidi, L. Koechlin and G. RuymaekersA&A, 367 3 (2001) 865-875DOI: https://doi.org/10.1051/0004-6361:20000550
