A new study of the chemical structure of the Horsehead nebula: the influence of grain-surface chemistryR. Le Gal, E. Herbst, G. Dufour, P. Gratier, M. Ruaud, T. H. G. Vidal and V. WakelamA&A, 605 (2017) A88DOI: https://doi.org/10.1051/0004-6361/201730980
