Diameter and photospheric structures of Canopus from AMBER/VLTI interferometryA. Domiciano de Souza, P. Bendjoya, F. Vakili, F. Millour and R. G. PetrovA&A, 489 2 (2008) L5-L8DOI: https://doi.org/10.1051/0004-6361:200810450