Chemical segregation in the young protostars Barnard 1b-N and S - Evidence of pseudo-disk rotation in Barnard 1b-SA. Fuente, M. Gerin, J. Pety, B. Commerçon, M. Agúndez, J. Cernicharo, N. Marcelino, E. Roueff, D. C. Lis and H. A. WoottenA&A, 606 (2017) L3DOI: https://doi.org/10.1051/0004-6361/201730963