LRO/LAMP study of the interstellar medium via the HeI 58.4 nm resonance line C. Grava, W. R. Pryor, P. D. Feldman, K. D. Retherford, G. R. Gladstone and T. K. Greathouse A&A, 616 (2018) A159 Published online: 30 August 2018 DOI: 10.1051/0004-6361/201731555