Cross sections and transport coefficients for H3+ ions in water vapour Vladimir Stojanović, Zoran Raspopović, Jasmina Jovanović, Željka Nikitović, Dragana Marić and Zoran Lj. Petrović Eur. Phys. J. D, 71 11 (2017) 283 Published online: 14 November 2017 DOI: 10.1140/epjd/e2017-80295-2