N2H+ and N15NH+ toward the prestellar core 16293E in L1689NF. Daniel, A. Faure, L. Pagani, F. Lique, M. Gérin, D. Lis, P. Hily-Blant, A. Bacmann and E. RoueffA&A, 592 (2016) A45DOI: https://doi.org/10.1051/0004-6361/201628192
