Nebular dead zone effects on the D/H ratio in chondrites and comets M. Ali-Dib, R. G. Martin, J.-M. Petit, O. Mousis, P. Vernazza and J. I. Lunine A&A, 583 (2015) A58 Published online: 27 October 2015 DOI: 10.1051/0004-6361/201526453