Search for cold debris disks around M-dwarfs J.-F. Lestrade, M. C. Wyatt, F. Bertoldi, W. R. F. Dent and K. M. Menten A&A, 460 3 (2006) 733-741 Published online: 26 September 2006 DOI: 10.1051/0004-6361:20065873