Outflows, envelopes, and disks as evolutionary indicators in Lupus young stellar objects M. M. Vazzano, M. Fernández-López, A. Plunkett, I. de Gregorio-Monsalvo, A. Santamaría-Miranda, S. Takahashi and C. Lopez A&A, 648 (2021) A41 Published online: 09 April 2021 DOI: 10.1051/0004-6361/202039228