Searching for temporary gamma-ray dark blazars associated with IceCube neutrinosE. Kun, I. Bartos, J. Becker Tjus, P. L. Biermann, A. Franckowiak, F. Halzen and Gy. MezőA&A, 679 (2023) A46DOI: https://doi.org/10.1051/0004-6361/202346710