Low dust emissivities and radial variations in the envelopes of Class 0 protostars: possible signature of early grain growthM. Galametz, A. J. Maury, V. Valdivia, L. Testi, A. Belloche and Ph. AndréA&A, 632 (2019) A5DOI: https://doi.org/10.1051/0004-6361/201936342
