Performance of wireless communications earplugs for military applications / author(s) S.J. van Wijngaarden, J.A. VerhaveFlight simulator experiments and eye movement analysis for LEP design: preliminary results / A. Toet, M.P. Lucassen, N. van der Leden, A.S. WennemersFlight simulator experiments and eye movement analysis for LEP design: preliminary results / author(s) A. Toet, M.P. Lucassen, N. van der Leden, A.S. Wennemers, M. van der Hoeven