First detection of frequency-dependent, time-variable dispersion measures
J. Y. Donner, J. P. W. Verbiest, C. Tiburzi, S. Osłowski, D. Michilli, M. Serylak, J. M. Anderson, A. Horneffer, M. Kramer, J.-M. Grießmeier, J. Künsemöller, J. W. T. Hessels, M. Hoeft and A. Miskolczi
A&A, 624 (2019) A22
DOI: https://doi.org/10.1051/0004-6361/201834059