SEST observations of southern flat–spectrum radio sources A. J. Beasley, J. E. Conway, R. S. Booth, L.-Å. Nyman and M. Holdaway Astron. Astrophys. Suppl. Ser., 124 3 (1997) 469-474 Published online: 15 September 1997 DOI: 10.1051/aas:1997203