Constraining the AGN duty cycle in the cool-core cluster MS 0735.6+7421 with LOFAR dataNadia Biava, Marisa Brienza, Annalisa Bonafede, Myriam Gitti, Etienne Bonnassieux, Jeremy Harwood, Alastair C. Edge, Christopher J. Riseley and Adrian VantyghemA&A, 650 (2021) A170DOI: https://doi.org/10.1051/0004-6361/202040063