Kadler, M., Benke, P., Gokus, A., Hessdoerfer, J., Sinapius, J., Weber, P., et al. (2021). TELAMON, Metsahovi, Medicina, OVRO and RATAN-600 programs find a long-term radio flare in PKS0735+17 coincident with IceCube-211208A. The Astronomer's Telegram, 15105, 1.