Boccardi,
B.
Max Planck Institute for Radio Astronomy, Max Planck Society;
Casadio,
C.
Max Planck Institute for Radio Astronomy, Max Planck Society;
Krichbaum,
T.-P.
Max Planck Institute for Radio Astronomy, Max Planck Society;
Ricci,
L.
Max Planck Institute for Radio Astronomy, Max Planck Society;
Madika,
E.
Max Planck Institute for Radio Astronomy, Max Planck Society;
Bach,
U.
Max Planck Institute for Radio Astronomy, Max Planck Society;
Ros,
E.
Max Planck Institute for Radio Astronomy, Max Planck Society;
Zensus,
J.-A.
Max Planck Institute for Radio Astronomy, Max Planck Society;
