Exocomets size distribution in the $$\beta$$ β Pictoris planetary system oleh Alain Lecavelier des Etangs, Lucie Cros, Guillaume Hébrard, Eder Martioli, Marc Duquesnoy, Matthew A. Kenworthy, Flavien Kiefer, Sylvestre Lacour, Anne-Marie Lagrange, Nadège Meunier, Alfred Vidal-Madjar