Sparse aperture masking at the VLT - I. Faint companion detection limits for the two debris disk stars HD 92945 and HD 141569S. Lacour, P. Tuthill, P. Amico, M. Ireland, D. Ehrenreich, N. Huelamo and A.-M. LagrangeA&A, 532 (2011) A72DOI: https://doi.org/10.1051/0004-6361/201116712
