Sticking coefficient of hydrogen and deuterium on silicates under interstellar conditions H. Chaabouni, H. Bergeron, S. Baouche, F. Dulieu, E. Matar, E. Congiu, L. Gavilan and J. L. Lemaire A&A, 538 (2012) A128 Published online: 14 February 2012 DOI: 10.1051/0004-6361/201117409