Subsequent outbursts of the same EXor source possibly present similar features T. Giannini, A. Giunta, D. Lorenzetti, G. Altavilla, S. Antoniucci, F. Strafella and V. Testa A&A, 637 (2020) A83 Published online: 20 May 2020 DOI: 10.1051/0004-6361/202037695