FR II radio galaxies at low frequencies I: morphology, magnetic field strength and energetics

Jeremy J. Harwood, Judith H. Croston, Huib T. Intema, Adam J. Stewart, Judith Ineson, Martin Hardcastle, Leith Godfrey, Philip Best, Marisa Brienza, Volker Heesen, Elizabeth K. Mahony, Raffaella Morganti, Matteo Murgia, Emanuela Orrú, Huub Röttgering, Aleksandar Shulevski, Michael W. Wise