POISSON project - III. Investigating the evolution of the mass accretion rate S. Antoniucci, R. García López, B. Nisini, A. Caratti o Garatti, T. Giannini and D. Lorenzetti A&A, 572 (2014) A62 Published online: 28 November 2014 DOI: 10.1051/0004-6361/201423929