Simultaneous and quasi-simultaneous observations of the continuum emission of the quasar 3C 273 from radio to $\gamma$-ray energies

por Lichti, G G, Balonek, T J, Courvoisier, Thierry J L, Johnson, N, McConnell, M, McNamara, B, Von Montigny, C, Paciesas, W S, Robson, E I, Sadun, A C, Schalinski, C, Smith, A G, Staubert, R, Steppe, H, Swanenburg, B N, Turner, M J L, Ulrich, M H, Williams, O R
Publicado 1994