Resolving the compact dusty discs around binary post-AGB stars using N-band interferometry P. Deroo, H. Van Winckel, M. Min, L. B. F. M. Waters, T. Verhoelst, W. Jaffe, S. Morel, F. Paresce, A. Richichi, P. Stee and M. Wittkowski A&A, 450 1 (2006) 181-192 Published online: 03 April 2006 DOI: 10.1051/0004-6361:20054300