Stratified NH and ND emission in the prestellar core 16293E in L1689NA. Bacmann, F. Daniel, P. Caselli, C. Ceccarelli, D. Lis, C. Vastel, F. Dumouchel, F. Lique and E. CauxA&A, 587 (2016) A26DOI: https://doi.org/10.1051/0004-6361/201526084