Ronchi, Enrico, Nilsson, D. and Gwynne, S.M.V. (2012) Modelling the impact of emergency exit signs in tunnels. Fire Technology, 48 (4). pp. 961-988. ISSN 0015-2684 (Print), 1572-8099 (Online) (doi:10.1007/s10694-012-0256-y)