Alcohol, drugs and traffic safety - T86 : proceedings of the 10th International Conference on Alcohol, Drugs and Traffic Safety, Amsterdam, 9-12 September 1986 / editors P.C. Noordzij, R. Roszbach ; co-editors J.J. de Gier, W. Neuteboom and P.G.M. Zweipfenning. - Noordzij, P. C.; Roszbach, R. (International congress series 0531-5131 ;, 1987)