Towards the origin of the radio emission in AR Scorpii, the first radio-pulsing white dwarf binary B. Marcote, T. R. Marsh, E. R. Stanway, Z. Paragi and J. M. Blanchard A&A, 601 (2017) L7 Published online: 22 May 2017 DOI: 10.1051/0004-6361/201730948