Nico M. van Dijk Mark D. Hermans Maurice J. G. Teunisse Henk Schuurman Designing the Westercheldetunnel toll plaza using a combination of queueing and simulation. 1272-1279 1999 Winter Simulation Conference http://portal.acm.org/citation.cfm?id=324898.325061 db/conf/wsc/wsc1999-2.html#DijkHTS99